taste Flashcards
What are the 4 types of lingual papillae?
filiform, foliate, fungiform, vallate
What nerves are involved which taste?
vagus (X)
facial (VII)
glossopharyngeal (IX)
(vestibulR NERVE (VIII)
what does vallate taste?
bitter and sour
at back
what does filiform taste?
no taste buds- but can sense texture.
at middle
what is tastebud surrounded by?
epithelium and supporting cells
what are proteins in olefactory and taste system?
G protein coupled receptors
what secretes mucous?
bowmanns gland
what stores olefactory memories?
hippocampus
what are mitral cells?
afferent cells
what are tufted cells?
converge info from mitral cells
what are granule cells?
efferent fibres (from brain)
What are trigminal cells?
cause pain (afferent)
what structure is responsible for conscious smell?
olfactory cortex
what pathway does high salt recruit?
aversive pathway
what pathway does bitter and sour recruit?
aversive
