taste & smell

papillae

small bumps on the tongue that allow for the perception of taste

foliate

back/sides of tongue, formed in breastfeeding and diminished into adulthood

circumvllate

back of the tongue, contain more than 100 taste buds

fungi form

front of the tongue, contains 3-5 taste buds

filiform

no taste buds, transduce touch, temperature, & noiception

what are taste receptor cells?

long, thin cells oriented perpendicular to the surface of the tongue

how many taste receptor cells do each taste bud contain?

30-100

what are the 3 distant senses?

hearing, sight, smell

how does smell occur?

when chemicals in the environment excite receptors located at the top of the nasal cavity

odorants

chemical compounds that have a detectable smell

air containing odorants is inhaled through the nose and passes over the ______

olfactory epithelium

olfactory receptor cells sends a signal to the _______ _____ and onto the _____ ____ - the ending of the ______ ____ where ______ takes place

cribriform plate, olfactory bulb, olfactory nerve, transduction

sensory category examples?

fragrant, spicy, putrid