BIOL 3401 1st Edition Lecture 8Olfactory Nerve (1)- Only nerves which are exposed to the environment - Are replaced every 60 days- Only nerve to be replaced- Inferior aspect of frontal lobe- Ethmoid bone, cribriform plate Sense of Taste - Bumps on tongue are lingual papillae - 4 contain taste buds 1 without o Filiform papillae- texture of food o Foliate papillae- parallel ridges on sides of tongue o Funiform papillae- shaped like mushrooms, tip (apex)o Curcumvallate papillae- Large v shaped in back, oval - Taste o Saltyo Sweeto Souro Bittero Umami (meaty)- Ear o Hearing and equilibrium o Outside ear Tympanic membrane  Auricle These notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute. Auditory canal - Middle ear o Mallicues o Incuso Stapes o Hammer, anvil, stirrup ( other name for the 3 bones)- Inner ear o Equilibrium - Middle ear infection effect the sound waves via pressure on the ossictes and round window - Cochlear o Snail shell - Rocking motion of water will move hair cellso Bony labriyth- bones o Membranes- lining o Paratympath- fluid o Semicircular canals - Dynamic equilibrium- moving around o Uricle- linear, forward and back (car moving, slamming on breaks)o Saccule- jump in the elevator, up and down movement - Semicircular canalso Rotary movements detected by the 3 semicircular canal o Temporal bone holds membraneEach duct is filled with