Olfactory and Gustatory Flashcards
What re the four types of Lingual Papillary
Fungiform
Vallate (circumvallate)
Filiform
Foliate
Where do you fund fungiform cells?
Describe them, and their taste bud density.
Anterior 2/3 of the tongue. They look like muchroom, the have about 3 tastebuds each
On what part of the tongue do you find vallate papillae. Describe them, and their taste bud density.
On the back of the tongue, contains about 250 taste buds per papillae, is large dome shaped
On what part of the tongue do you find the filiform cells
found in area of fungiform, anterior 2/3rd
Which type of lingual papillae does not contain taste buds.
filiform papillae
What is the taste pore and what structure is found in it
entry to taste bud. gustatory hair
How often is a basal cell replaced? where is is found?
every 7-10 days. Back of the east bud
Describe Gustatory Cells
spindle shaped cell inside the tastebud connected to the gustatory hair
What cranial nerve is involved in innervation the anterior 2/3 of tongue
Facial Nerve (VII)
What cranial nerve is involved in innervation pharynx, pallate, and epiglotus
Vagus (X)
What cranial nerve is involved in innervation posterior 1/3 of tongue
Glosspharyngeal Nerve (IX)
What are the 5 tastes?
Sweet, salty, sour, umami, bitter
