BIO 2331 Lab Practical 4 Study Guide Questions with Verified Solutions 100% Correct

BIO 2331 Lab Practical 4 Study Guide
Questions with Verified Solutions 100%
Correct

Gustation - Sense of taste detected by taste buds



Question:: Taste buds - Chemoreceptors embedded in papillae walls that
detect tastes



Question:: Four primary tastes - Sweet, sour, salty, bitter



Question:: Gustatory cells - Actual taste receptors stimulated by molecules
dissolved in saliva



Question:: Tongue papillae - Circumvallate, filiform, and fungiform types
with different functions



Question:: Circumvallate papillae - Large and blunt papillae along the
posterior edge of the tongue

, Question:: Filiform papillae - Smaller, tufted papillae over the entire surface
of the tongue, have touch but no taste receptors



Question:: Fungiform papillae - Small, mushroom-shaped papillae over the
entire surface of the tongue, most contain taste buds



Question:: PTC taste - Ability to taste PTC is genetic



Question:: Olfaction - Sense of smell detected by olfactory receptors in the
nasal cavity



Question:: Olfactory epithelium - Houses olfactory receptor neurons



Question:: Olfactory cilia - Projections of olfactory receptor cells that bind
dissolved odor molecules



Question:: Olfactory nerve - Bundles of axons from receptor cells that
synapse with olfactory tracts in olfactory bulb



Question:: Olfactory bulb - Area in the CNS where sensory receptors
synapse with olfactory tract neurons