Flashcards in Dorsum of the tongue Deck (16):
T/F: The dorsum of the tongue is completely within the oral cavity.
False: it is partially within the oral cavity and partially within the oropharynx
What is the the V shaped groove at the posterior aspect of the oral part of the tongue?
The Sulcus Terminialis separates the tongue into what parts?
1) Oral Part (ant. 2/3)
2) Oropharyngeal part (pos. 1/3)
T/F: The two parts of the tongue are different developmentally, structurally, and in terms of nerve innervation?
What is located at the apex of the V of the sulcus terminalis?
The foramen cecum is the embryological remnant of what structure?
What clinical condition is present when the thryoglossal duct does not obliterate and what is it often mistaken for?
-Often mistaken for a thyroid mass
What is the shallow groove that is visible on the surface of the tongue?
What are the conical projections with sharply pointed tips on the surface of the tongue?
What are the smallest projections found of the surface of the tongue?
What are the mushroom shaped projections of the surface of the tongue?
T/F: Fungiform Papillae contain taste receptors (buds)
What are the largest projections on the surface of the tongue?
What taste sensation do the vallate papillae sense and why is this significant?
Bitter- it is a survival adaptation to taste possible "poisons" and trigger the gag reflex if they are sensed
What of the grooves/ridges along the margin of the tongue?