Please enable JavaScript.
Coggle requires JavaScript to display documents.
Macrostructure (anatomy) and microscopic structure of oral tissues of OCF…
Macrostructure (anatomy) and microscopic structure of oral tissues of OCF organs
Please explain various anatomical structures at the external surrounding of oral cavity/surface anatomy (lips and the surrounding)
Lips (Labia Oris):
Soft, muscular structures encircling oral cavity opening.
Upper and lower lips connected, forming transition between facial skin and mouth lining.
Vermilion borders mark colored part of the lips.
Commissure: Intersection of upper and lower lips at mouth angle.
Tuberculum Labii Superioris: Small bump on upper lip.
Philtrum: Depression from nose base to upper lip.
Sulcus Mentolabialis: Depression under the lips.
Angulus Oris (Oral Commissure): Corner where upper and lower lips meet.
Please explain the two regions of the oral cavity with their borders and various anatomical structures in the two regions and around the oral cavity!
Oral Cavity:
Composed of two regions: vestibule and oral cavity proper.
Vestibule (Vestibulum Oris):
Space between labial and buccal mucosa.
Extends anteriorly/laterally to teeth and gingiva.
Moistened by parotid salivary glands.
Communicates with the oral cavity proper and exterior through oral fissure.
Oral Cavity Proper:
Mainly occupied by the tongue.
Bordered by alveolar processes with teeth.
Posterior boundary: Isthmus of the fauces.
Posterior roof: Soft palate with uvula.
Anterior roof: Hard palate.
Floor: Mylohyoid muscles.
Inner lining: Oral mucosa (stratified squamous epithelium).
Moistened by submandibular and sublingual salivary glands.
Please explain the anatomical structure of the tongue organ and the muscles that work on the tongue!
ChatGPT
Epiglottis
Glossoepiglottic Folds
Palatine Tonsils
Root of the Tongue
Lingual Papillae
Vallate Papillae
Palatopharyngeal Arch
Epiglottic Vallecula
Lingual Tonsil
Tongue Structures:
Terminal Sulcus
Foramen Cecum
Median Sulcus
Apex of the Tongue
Circumvallate
Fungiform
Filiform
Foliate
Foliate Papillae:
Located on each side of the back portion of the tongue, about 20 per person.
Intrinsic Muscles:
Superior Longitudinal: Shortens and widens, curls upward.
Inferior Longitudinal: Shortens and widens, curls downward.
Transverse: Elongates and narrows.
Vertical: Flattens
Extrinsic Muscles:
Genioglossus: Protrudes the tongue.
Styloglossus: Retrudes and elevates lateral margins.
Hyoglossus: Retrudes and depresses lateral margins.
Palatoglossus: Elevates posterior tongue, aids swallowing, prevents saliva spill.
Please explain the function, microscopic structure, and distribution, and structure of the tongue papillae!
Papillae:
Tiny raised protrusions on the tongue with taste buds.
Types:
Filiform, fungiform, foliate, circumvallate.
Fungiform Papillae:
Mushroom-shaped, 200-400, concentrated on sides and tip.
House taste buds for sweet, salty, bitter, sour, and umami flavors.
Foliate Papillae:
Situated on tongue's sides, less numerous than fungiform and circumvallate.
Circumvallate Papillae:
Positioned in V-shaped row at tongue's back.
Particularly sensitive to bitter taste
Please explain the classification and microscopic structure of oral mucosal!
Masticatory Mucosa
Lining Mucosa
Specialized Mucosa
Please explain the microscopic structure of salivary glands!
Salivary Glands:
Major & Minor
Gland Structure:
Lobes, Lobules, Acini
Gland Parts:
Serous, Mucous, Cells
Parotid:
Largest, Stensen's Duct
Submandibular:
Beneath Tongue, Wharton's Duct, Mucous
Sublingual:
Smallest, Ductules, Mucous
Minor:
Patches, Mucous