SENSES - TASTE, SMELL, OLFACTION

chemoreceptors

receptor types used by taste and smell

taste and smell

senses that compliment each other and respond to many of the same stimuli

olfactory receptors

receptors located at the roof of nasal cavity

have long cilia

appearance of neurons for olfaction

dissolved in mucus

conditions for detection of chemicals in olfaction

olfactory nerve

impulses on olfaction are transmitted via what nerve?

olfactory area of the temporal lobe

interpretation of smells is made in what part of the cortex?

• tongue

• soft palate

• cheeks

[3] location of taste buds

papillae

the tongue is covered with projections called ________

filiform

sharp papillae with no taste buds

fungiform

rounded papillae with taste buds

circumvallate

large papillae with taste buds

side

taste buds are found at what part of the papillae?

gustatory cells

receptors for taste buds

long microvilli

gustatory cells have gustatory hairs which are ___________

saliva

gustatory hairs are stimulated by chemicals dissolved in _____

gustatory complex in the parietal lobe

impulses of the taste buds are carried to the ___________ in the __________ by several cranial nerves

• sugars

• saccharine

• some amino acids

[3] sweet receptors

acid

sour receptors

alkaloids

bitter receptors

metal ions

salty receptors

• glutamate

• aspartate

[2] umami receptors

early embryonic development

when are special senses formed?

eyes

are outgrowths of the brain

yes

are all special senses functional at birth?

• facial

• glossopharyngeal

• vagus

[3] cranial nerves that carry impulses to the gustatory complex