senses Flashcards
types of receptors
chemo, mechano, photo
what senses are paired with chemoreceptors
gustatory and olfactory
what senses are paired with mechanoreceptors
hearing and touch
components of gustatory receptor
gustatory hair (microvilli) and protein receptors with synapse wth CN sensory
which two tastes use direct polarization
sour and salty
which tastes use secondary messengers
sweet, umami, bitter
what amino acid is w umami
glutamate
which cn are for taste
facial 7, glossopharyngeal 9, vagus 10
3 layers/tunics of the eye
fibrous –> vascular –> neural
fluids inside of humors
aqueous (anterior, plasma like), vitreous (posterior gel like)
function of humors in eye
maintain eye pressure and get rid of waste, posterior holds lens in place to push against the retina
glaucoma
high eye pressure damaging retina and optic nerve, causing tunnel vision
lacimal apparatus
lubrication and cleaning, where tears are made
conjunctiva
transparent membrane lining the eyelid covering the white