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Alveolar mucosa histology

Oral Histology Digital Lab: Mucosa: Alveolar Mucosa (Image 14

  1. a propria (A) is quite dense. Several very low connective tissue papillae are present (B). Connective tissu
  2. a propria, but few dermal papillae and rete pegs
  3. Each respiratory bronchiole branches into between 2 and 11 alveolar ducts that still contain smooth muscle fibers in their walls. Along these walls, the alveolar ducts give rise to single alveoli and to numerous alveolar sacs, which are associated with 2 to 4 alveoli
  4. Describe how the tooth is anchored in alveolar bone. Know the structure of the epithelial attachment and understand its significance in protecting the periodontal space. The oral cavity is lined by a mucous membrane (the oral mucosa) consisting of a stratified squamous epithelium, which may or may not be keratinized, and an underlying.
  5. Alveolar epithelium is composed of type I pneumocytes, type II pneumocytes, and the occasional brush cells. Also present in the alveolar walls are the club cells and alveolar macrophages. The alveolar walls contain the pores of Kohn, which allow communication between adjacent alveoli

Handout of Oral Mucosa Histology. 1. 1| P a g e 1ST Edition New Insight Into Oral Histology MO'men Gamal AboDa. 2. 2| P a g e Oral Mucosa The oral cavity is unique in structure as 1. Contains the teeth & taste buds 2. The salivary glands discharge their secretion into it Thus it serves a variety of functions (such as perceive & sense) Functions. Alveolar septum contains pulmonary capillaries Strictly speaking, alveolar structure is not sac shaped but is a polyhedral architecture Type I alveolar epithelium (pneumocyte): Thin flat epithelium covering about 90 - 95% of alveolar lumen in area, about 40% of all alveolar epithelia in numbe Attached gingiva Between the free gingival groove and the alveolar mucosa The junction of the attached gingiva and the alveolar mucosa is called mucogingival junction  In healthy mouth attached gingiva shows stippling 52 Anatomy Contain primitive embryonic structures from early fetal development to 25 years of age Divided into alveolar bone (supports teeth) and body with variable thickness ranging from paper thin overlying roots of cuspid (canines) and bicuspid (premolar) teeth to thick at apex of chi Oral mucosa: Gingiva. The gingiva (commonly called the gums) is composed of the epithelia and connective tissue that surround and suppport the tooth. Subdivisions of the gingiva include masticatory mucosa covering its external surface, sulcular epithelium facing the gingival sulcus, and attachment epitheliun that attaches to the tooth

1.3: histology of the oral mucosa - Medicine LibreText

Histology - Yale Universit

  1. The alveolar region is a branching system of alveolar ducts whose walls are made of alveoli. The alveolar ducts end into alveolar sacs which contain alveolar outpouches. The alveoli thus forms the walls of alveolar ducts and sacs.The openings or the mouths of alveoli consist of a dense network of elastic and collagen fibers
  2. Alveolar mucosa, the lining between the buccal and labial mucosae. It is a brighter red, smooth, and shiny with many blood vessels, and is not connected to underlying tissue by rete pegs. Buccal mucosa, the inside lining of the cheeks and floor of the mouth; part of the lining mucosa
  3. Oral mucosa other than gingiva includes the very flexible and elastic alveolar mucosa, which covers the alveolar bone and is separated from the gingiva by the mucogingival junction; the labial and buccal mucosae, which line the inside of the lip and cheek; the loose sublingual mucosa, the mucosa covering the dorsal and ventral tongue surfaces.
  4. Part of oral mucosa that covers the alveolar process of the jaws and surrounds the necks of the teeth and the covering of the hard palate. The tissues is karatanized and attached to the underlying bon

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ALVEOLAR PROCESSES The mucous membrane covering the alveolar processes is of two types. That part which is continuous with the sulcus, the alveolar mucosa, is thin and loosely attached to the underlying bone by thin connective tissue The alveolar mucosa is movable and is separated from the attached gingiva by the mucogingival junction. This tissue is darker in color, thin, soft, and loosely attached to underlying bone.1 Microscopic Anatomy of the Healthy Gingival Unit (Histology) The attached gingiva and free gingiva share similar histology because both are considere The denuded root surfaces were covered with nonkeratinized alveolar mucosa in a slightly modified bridge flap technique. The coronal displacement of a nonkeratinized alveolar mucosal flap onto a bed of collagenous gingival connective tissue resulted in the development of keratinized epithelium in the previously nonkeratinized mucosa 1- The nerve supply within the dental pulp provides for: a- Pain perception, vascular control and proprioception. b- Thermal perception, vasodilatation and cementum sensitivity. c- Pain perception, dentin sensitivity and vascular control. d- Proprioception, taste and vasoconstriction Subdivisions of the gingiva include masticatory mucosa covering its external surface, sulcular epithelium facing the gingival sulcus, and attachment epithelium that is attached to the tooth. Fibers in the gingival lamina propria anchor the gingiva to the tooth and alveolar bone

However, BCAC does not manifest the plethora of morphologic patterns exhibited by polymorphous low-grade adenocarcinoma, both from tumor to tumor and within the same tumor. The incidence of Basal Cell Adenocarcinoma of Salivary gland is rare. This is the first case to be reported in the alveolar mucosa involving maxillary sinus 1983. Hyperplastic lesions of the gingiva and alveolar mucosa. A study of 175 cases. G. Anneroth, A. Sigurdson. Acta odontologica Scandinavica. 1983. Corpus ID: 12361528. 175 'epulides' were studied clinically and histologically. The lesions were histologically reclassified into three groups Alveolar type I cells. small alveolar cells or type I pneumocytes; are extremely flattened (the cell may be as thin as 0.05 µm) form the bulk (95%) of the surface of the alveolar walls. The shape of the cells is very complex, and they may actually form part of the epithelium on both faces of the alveolar wall. Alveolar type II cell Histology of Gingiva. Thick (250 µm), either orthokeratinized or parakeratinized stratified. squamous epithelium with a stippled surface. in alveolar mucosa. Not. much difference in the. epithelium is seen between. the two types of mucosa. Dentogingival Junction and Junctional Epithelium Alveolar epithelium is composed of type I pneumocytes, type II pneumocytes, and the occasional brush cells. Also present in the alveolar walls are the club cells and alveolar macrophages. The alveolar walls contain the pores of Kohn , which allow communication between adjacent alveoli. This allows air to flow from one alveolus to another, which.

Benign alveolar ridge keratosis. Sign out BUCCAL MUCOSA, RIGHT, BIOPSY: - SQUAMOUS MUCOSA WITH A COMPACT KERATIN LAYER AND PARAKERATOSIS. - NEGATIVE FOR DYSPLASIA AND NEGATIVE FOR MALIGNANCY. Micro. The sections show a squamous mucosa with a layer of compact keratin, parakeratosis, and focal hypergranulosis. There is no inflammation at the. 1.Masticatory Mucosa:25% of total mucosa. Gingiva (free, attached and interdental) and hard palate. Primary mucosa to be in contact with food during mastication. MASTICATORY MUCOSA IS USUALLY KERATINIZED. 2.Lining Mucosa:60% of total mucosa. Covers the floor of mouth, ventral (underside) tongue, alveolar mucosa, cheeks, lips and soft palate This congestion highlights the alveolar capillaries and emphasizes the thin, delicate nature of the alveolar walls which facilitates gas exchange. Compare this to Slide 23, which is not congested. A lymphoid aggregate is present in association with bronchial mucosa (this is the so-called BALT, bronchial-associated lymphoid tissue) Histology 1st SCT 2010 Notes IA2 Bone - IA2 Bone Test January 2014, Mucosa . Epithelium - ciliated pseudostratified columnar. alveolar sac and . alveoli. The e lastic fibers enable the alveoli to expend and the reticular fibers are . supporting and preventing overdistension

Handout of Oral Mucosa Histology - SlideShar

Respiratory System - Postnatal - Embryology

In Restorative Dentistry (Second Edition), 2007. ALVEOLAR PROCESSES. The mucous membrane covering the alveolar processes is of two types. That part which is continuous with the sulcus, the alveolar mucosa, is thin and loosely attached to the underlying bone by thin connective tissue.This allows it to accommodate to the free movement of the lips and cheeks and permits the painless deposition of. Histology for Pathology Respiratory System Theresa Kristopaitis, MD the trachea vs bronchus vs bronchiole List the cell types found in an alveolus On a histologic section identify the alveolar septa, capillary, endothelial cell, and pneumocyte Identify macrophages in a section of lung tissue and describe their function Describe the path of. Pathology 750 Learning Resources Duke University Medical School it is easy to identify the location of the ulcer, where the mucosa has been lost. The remaining tissue at the ulcer site (called the ulcer bed) is composed of granulation tissue, along with acute and chronic inflammation. Note the marked alveolar hemorrhage. Brown, granular.

1. Body cavity that communicates with external surface is lined by a. Mucous membrane. 2. The surface of the oral cavity is a. Mucous membrane. 3. The classification of oral mucosa as masticatory, lining and specialized is based on. Function Mucoperiostium: direct LP to the bone o No submucosa o Regions such as the gingiva or part of the hard palate o Oral mucosa attaches directly to the periosteum of underlying bone LINING MUCOSA Buccal, labial, alveolar mucosa, floor of the mouth, ventral surface of the tongue, soft palat approximately 80% of alveolar surface. 2. Epithelium lining alveolus a. Pulmonary epithelial, small alveolar, or type I cell is a simple squamous epithelial cell that lines 95% of alveolar surface area. b. Septal, great alveolar, or type II cell - regenerates type I and II cells i. Spherical cell with microvilli that bulges into alveolar. Absence of submucosa and muscularis mucosa in alveolar ducts and alveolar sac. Histological structure of bronchus . We should differentiate the histology of intrapulmonary bronchus from the histology of extrapulmonary bronchus. In the histology of intrapulmonary bronchus, you will find isolated or irregular hyaline cartilage in tunica.

Masticatory mucosa (gingiva and. hard palate) 255. Hard palate 255. Gingiva 259. Blood and nerve supply 263. Vermilion zone 264 Nonkeratinized areas 265. Lining mucosa 265. Lip and cheek 265. Vestibular fornix and alveolar mucosa 266. Inferior surface of tongue and floor of. oral cavity 266. Soft palate 267 Specialized mucosa 267. Dorsal. Alveoli are sac like evaginations (200 m m) of respiratory bronchioles, alveolar ducts, and alveolar sacs. They are responsible for the spongy structure of the lungs. They are separated from each other by inter-alveolar septae, which may contain one or more alveolar pores. An inter-alveolar septum is a wall or partition, between two adjacent.

Simple squamous alveolar ducts communicate with alveolar sacs and blind-ended alveoli. Some alveoli contain alveolar macrophages, large rounded cells that appear to be suspended in the air space. Do not spend time examining this slide for alveolar Type I and II cells, as they are much better preserved on the next slide (Webslide 0028) Instructions: For each histology question, pick the one best answer. This histology test bank is also useful for the histology questions on the USMLE (USMLE step 1). Click here for answers and detailed explanations. 1. What part of the respiratory tree is the functional unit where gas exchange occurs? a. Alveolar duct b. Alveoli c. Alveolar sac d Webslide UVa_077: Larynx and trachea, coronal section, H&E [DigitalScope] The larynx is a passageway for air between the oropharynx and trachea which also functions in the production of sound. The epithelial lining varies by location: the vestibular folds (or false vocal folds) are lined by a mixture of stratified squamous to stratified columnar epithelium whereas the true vocal folds are. Alveolar ducts . Consist of smooth muscle, connective tissue and out pocketing alveoli. C). Alveolar Sacs. A bunch of alveoli (similar to a bunch of grapes) D). Alveoli. Individual Sac. Actual site of gas exchange. Structure of the alveoli. 1). Type 1 cells. 2). Pulmonary Capillaries. Cover the outside surface. 3). Respiratory Membrane. 4. (6 of 16) Principal Fibers of PDL. This is a section through the labial mucosa (A) and labial gingiva (B).Look closely for the gingival fibers (C) anchored to the cementum and the gingiva.Alveolar crest (D) fibers are also distinct, their fibers passing at an angle from the crest of the alveolar bone upward to anchor in the cementum

In this book Elsevier has worked with professional question writers to prepare a collection of 500 MCQs to accompany the subject matter covered in each chapter of the textbook, Essentials of Oral Histology and Embryology: A Clinical Approach, 4th edition by Daniel J Chiego (ISBN: 978--323-08256-3) The morphology of the inferior alveolar nerve is a very important factor for all surgical procedures in the mandibular region. The aim of this anatomical and histological study was to describe the intramandibular course and the microscopic histology of the inferior alveolar nerve in the dissected human cadaver. Twenty partially dentulous hemimandible specimens from human cadavers were.

Pathology Outlines - Histolog

The keratinized, stratified, squamous mucosal lining covering the hard palate is bordered laterally and ventrally within the upper alveolar ridge mucosa. Dorsally, this lining epithelium is bordered by the oropharyngeal soft palatal mucosa. Several types of oral and oropharyngeal pathologic lesions may appear in this area The wall of the trachea consists of the following three layers: 1. Tunica mucosa: The tunica mucosa is the inner layer of the mucosa; it consists of respiratory epithelium, except for the bifurcated noncornified squamous epithelium. The lamina propria contains seromucous glands (tracheal glands).The mucosa is rich in afferent nerve fibers, which, among other things, are responsible for the. The attached gums are continuous with the marginal gum. It is firm, resilient, and tightly bound to the underlying periosteum of alveolar bone. The facial aspect of the attached gum extends to the relatively loose and movable alveolar mucosa, from which it is demarcated by the mucogingival junction. Attached gum may present with surface. Epithelioid hemangioma is a rare benign vascular lesion that presents as a nodular lesion in the skin of head and neck region. It is a superficial vascular entity which can either be due to tumor or reactive lesion, but the exact etiology is still unknown. We hereby present a rare case which has been reported with the history of small nodular-like growth on mandibular buccal and lingual area Histology Slides 1. Welcome to Histology. Welcome to the LUMEN. Histology Slide Series. LUMEN

Oral mucosa

The respiratory zone is the site of gas exchange with the blood that runs in capillaries within the walls between alveoli. The respiratory zones is comprised of: respiratory bronchioles, alveolar ducts, alveolar sacs and alveoli. The majority of the conducting zone is lined by respiratory mucosa. Respiratory mucosa is composed of a respiratory. HISTOLOGY OF THE. RESPIRATORY SYSTEM. ERDS Function of Respiratory System • Gets air into and out of the body and allows gas exchange • Conducting portion • Nasal cavity, nasopharynx, larynx, trachea, bronchi, bronchioles, terminal bronchioles • Warms, moistens air • Respiratory portion • Respiratory bronchioles, alveolar ducts, alveoli • Gas exchange occurs Main Divisions of. Oral Histology: Sheet form (Practical) sheet form (Theory) syllabus. textbook. self-assessment. helpful playlist. Alveolar Bone Alveolar Bone. 9. 1 , 2, 3. Week 10 1/5/2021. Oral mucosa I Lab. 5 Week 7 4/4/2021. Siham Al-Arag Oral mucosa II -Lab Oral mucosa II -Lab. 6 Alveolar Process & Tooth Health. Your alveolar process is a vital part of your anatomy for your mouth's health and the support of your teeth. According to the Archives of Oral Biology, they have the unique ability to respond to the formation of teeth that erupt from your gums. These important structures form around the teeth and the. Bone: Histology and Structure of Alveolar Page 2/23. Download Ebook Oral Histology Development Structure And Function 5e Bone Amelogenesis - Stages of enamel all of the oral mucosa is made up of a thick stratified squamous epithelium supported by a lamina propria ten cates oral histology Page 15/23

Histology of oral mucous membrane and gingiv

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Because the right superior bronchus lies above the pulmonary artery in the hilum, it is known as an epi-arterial bronchus • The secondary bronchi branch again in the lungs to form tertiary bronchi (ten for each lung) • Each of these terminates in a broncho-pulmonary segment of the lung • Within these segments even smaller branches, the bronchiole, form • They no longer contain. The evaluated soft tissues included gingiva, alveolar mucosa, intertrabecular stroma, and/or reparative tissue that replaced bone. The soft tissue changes were recorded according to the predominant type of proliferative tissue seen and the associated type of inflammation; categories were mutually exclusive: neovascular tissue with chronic.

Oral mucosa 5 Digital Histolog

What is alveolar mucosa? - findanyanswer

Lymphoid masses within mucosa and submucosa often forming germinal center (terminal and respiratory) and alveolar sac and alveoli. * Alveoli are small air filled pouches separated by alveolar septa. * flattened pneumocytes and rich capillary network present. histology guide, histology slides, histology book, histology report. Please. THE OVARY. The ovary is a rounded body approx. 3 x 1.5 cm long and 1 cm thick. It is encapsulated by the tunica albuginea, a dense layer of connective tissue which is covered by the germinal epithelium (Ovarian surface epithelium), a layer of simple squamous or cuboidal epithelium.The ovarian follicles, which enclose the oocytes, are primarily embedded in the cortical region of the ovary while. ALVEOLAR RIDGE, RIGHT INFERIOR, BIOPSY: - ORAL MUCOSA WITH SQUAMOUS CELL HYPERPLASIA. - NEGATIVE FOR DYSPLASIA AND NEGATIVE FOR MALIGNANCY. Micro. The sections show a squamous mucosa with irregular psoriasiform change, parakeratosis, and focal hypergranulosis. There is no inflammation at the interface. Epidermal intercellular bridges are easily. Understanding Your Pathology Report: Lung Cancer. When your lung was biopsied, the samples taken were studied under the microscope by a specialized doctor with many years of training called a pathologist.The pathologist sends your doctor a report that gives a diagnosis for each sample taken. Information in this report will be used to help manage your care

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Dental formula for human dentition. Structures derived from dental papilla. Cap and bud stage tooth development. Hertwigs epithelial root sheath. Bell stage of tooth development. Development of root. Apposition. Cap stage of tooth development. Fate of dental lamina Part of oral mucosa that covers the alveolar process of the jaws and surrounds the necks of the teeth and the covering of the hard palate. The tissues is karatanized and attached to the underlying bone. Oral mucosa membrane. Lining of the remainder of the oral cavity which is non-keratinized. Covers the floor of the mouth and the cheek Diffuse lung disease (DLD) of infancy has multiple aetiologies and the spectrum of disease is substantially different from that seen in older children and adults. In many cases, a specific diagnosis renders a dire prognosis for the infant, with profound management implications. Two recently published series of DLD of infancy, collated from the archives of specialist centres, indicate that the. Other sites include skin, genital mucosa, upper aerodigestive tract and rare in oral mucosa . The present case, occurred in alveolar mucosa which is a rare. Oral CC represents 2.7% of oral squamous cell carcinomas . Intraoral sites include attached gingiva, palatal mucosa, tongue, edentulous alveolus and mandible . Our patient had exophytic. Listed below are links to histology images and pages relating to different tissues and organs, the histology category will also display all the related content pages and media.. histology - Links to all things histology.; stains - List of stains and specific examples of the histology appearance. Histology sections, where the stain has been identified, link to this page and the specific stain.

Alveolar Mucosa Diagram oral mucosa histology, dental anatomy a review drage homepage, gingiva the full wiki, gums wikipedia, infiniti j30 service manual zeebba com, a comparative biochemical and immunological analysis of, a study of tiil response of the oral mucosa of the vervet, doctors gates anatomical parts o Findings. At higher power, the continuous mucosa of the terminal bronchiole is evident, as is the discontinuous mucosa of the respiratory bronchiole with its alveolar outpockets. Each respiratory bronchiole divides into several alveolar ducts characterized by numerous alveolar outpockets

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The respiratory bronchioles give rise to alveolar ducts; these, in turn, lead to alveolar sacs, which are lined with alveoli. The microanatomy of five of these airways - the trachea, bronchioles, terminal bronchioles, respiratory bronchioles, and alveoli - will be described in this chapter. The histologic organization of the nasal Mucosa and. Alveolar recess Tuberosity recess leaving the antral mucosa in direct contact with the periodontal ligament of the projecting root the maxillary teeth are lost. Histology of the maxillary sinus: The maxillary sinus is lined with a mucous membrane of the respiratory type. However it is somewhat thinner than that lining the. The retromolar pad and edentulous alveolar ridge are the most common sites of involvement due to trauma from food being crushed against the mucosa during mastication. 1 A fractured tooth or rough restoration may lead to the development of frictional keratosis on the adjacent lateral tongue or buccal mucosa. Frictional keratosis appears as a.

Study Points - Course #54002: A Review of Oral Histology

Squamous cell carcinoma (SCC) of the buccal mucosa and gingivobuccal sulcus (GBS) is the most common oral cancer in India., Many patients present at an advanced stage with involvement of masticator space. Outcome remains particularly poor for this group of patients due to high rate of local recurrence., These cancers are staged as T4b based on American Joint Committee on Cancer (AJCC. An alveolar sac is composed of clusters of alveoli. Finally, the alveolus is a single sac-like air space. CELLS Using the oil immersion lens, focus on an alveolar wall. Observe the alveolar capillaries which are identified by erythrocytes in the lumen. Note the squamous epithelial cells that form part of the alveolar wall The ratio of benign to malignant neoplasms was greater in the gingiva (10:1) than in the alveolar mucosa (almost 1:1). Benign tumors of the gingiva and malignant tumors of the alveolar mucosa occurred more often in males than one would expect from their proportion in the survey (keeping in mind that the numbers in alveolar mucosa were small) The surfaces of the oral cavity that are often in contact are the buccal mucosa, the labial mucosa, and the alveolar mucosa of the mandible and maxilla. The alveolar ridge was covered by an intact alveolar mucosa of normal appearance. (2,5) The peripheral ameloblastoma is typically found in the posterior gingival or the alveolar mucosa Keratinized Areas of Oral Mucosa: Masticatory mucosa - Gingiva and Hard palate. Vermillion border of lip. Oral or Outer Epithelium. Non Keratinized Areas of Oral Mucosa: COL. Junctional epithelium. Sulcular epithelium. Lining mucosa - Lip, cheek, vestibular fornix, alveolar mucosa, floor of mouth and soft palate

Epiglottis: Mild acute and chronic inflammation of mucosa and submucosa . Centrilobular emphysema . 7 Acute bronchopneumonia Organizing and focal acute diffuse alveolar damage : Organizing pneumonia . Chronic bronchiolitis, mucostasis . Scattered fibrin thrombi in capillary-sized vessels . Multinucleated giant cells lining interalveolar sept The Periodontal Ligament (PDL) is a region of dense regular connective tissue ← that connects the cementum to alveolar bone. In Ten Cate's Oral Histology (Eighth Edition), 2013. Periodontal ligament (anatomy and structure) l Oral histology and biology MCQs for dental students 1 , 2. 2013;10:1321-1326

The type I pneumocyte is a squamous epithelial cell. It covers most of the surface of the alveoli. The type II pneumocyte is also called a septal cell. The type II pneumocyte secretes surfactant. The dust cell is also called the alveolar phagocyte. Brush cells are occasionally, but rarely, seen in the alveolar epithelium ORAL HISTOLOGY . Histology is the study of anatomy that deals with the minute structure, composition, and functions of tissues. Oral histology describes in detail the tissues of the teeth, periodontium, and the surrounding oral mucosa. Figure 4-2.\Average periods for emergence and exfoliation of primary teeth This general review sought to clarify the pathophysiological, diagnostic, prognostic, and therapeutic features of pulmonary mucosa-associated lymphoid tissue (MALT) lymphoma. MALT lymphoma is the most common pulmonary B-cell lymphoma, which usually occurs in the context of acquired MALT. The disease is slow-growing with an asymptomatic chronic alveolar opacity visible on radiography

5: Eruption and Shedding of Teeth | Pocket DentistryHistology of trachea and lunghistology lab midterm at Suffolk County Community CollegeHisto 2 Final at National University of Health SciencesHistology slide guide

Congestion of alveolar septal capillaries and edema fluid within the airspaces were noted focally. There was mild chronic inflammation within the bronchi and bronchioles, along with prominent mucosal edema within the bronchial mucosa (the resultant mucosal thickening is appreciable, even at low magnification in Image 3A ) A comprehensive database of more than 35 histology quizzes online, test your knowledge with histology quiz questions. Our online histology trivia quizzes can be adapted to suit your requirements for taking some of the top histology quizzes Malignancy of melanocytes, a pigment-producing cell, is referred as malignant melanoma (MM) which occur basically on skin and oral mucous membrane, but as well found in ears, eyes, gastrointestinal tract and genital mucosa. Oral melanomas has propensity to metastasise and invade more voluntarily than other malignant counterparts. Here we present a case of 52-year-old male patient with a chief. View 8th lecture oral histology ف2 -2020.pdf from HEALTH SCI 150 at UCL. 8th lecture oral histology Periodontal ligament (PDL) Dr.Maya AL-Joukhadar Periodontium Cementum Alveolar bone Epithelia Alveolar soft part sarcoma, or ASPS, is a cancer that can come from different types of soft tissue, such as muscle, fat, or nerves. It may also be called alveolar soft tissue sarcoma, alveolar sarcoma of soft parts, or ASP sarcoma. ASPS usually starts in the leg, although it can also begin in other parts of the body, including the arms, head.