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VBSC 421 Lab Exam #3 (#24 Special Senses).
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VBSC 421 Lab Exam #3 (#24 Special Senses).
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VBSC 421 Lab Exam #3 (#24 SpecialSenses)
nostril - ANS-shark; 4; incurrent (lateral )and excurrent opening (medial)
olfactory sac - ANS-A; shark; water from incurrent nasal opening; to olfactory bulb
olfactory bulb - ANS-I; shark; water from olfactory sac; to olfactory nerve
lateral line system - ANS-shark; detects water movement; series of small openings
extending from behind the eye to the tail
ampullae of lorenzi - ANS-shark; anterior portion of the lateral line system (dorsal and
ventral regions of snout and jaws) are specialized sensory mechanisms that detect
minute electrical currents
semicircular canals - ANS-shark; auditory; filled with endolymph fluid
endolymphatic pore - ANS-shark; auditory; goes from this to the semicircular canals;
two dots on top middle surface of head
external ear region - ANS-ear model; pinna, ear drum, tympanic membrane, ear canal
middle ear region - ANS-ear model; ossicles (malleus, incus, stapes)
malleus - ANS-ear; middle
incus - ANS-ear; middle
stapes - ANS-ear; middle
internal ear region - ANS-ear model; semicircular canals and cochlea
semicircular canals - ANS-ear model; 3 fluid filled tubes that help you keep your balance
cochlea - ANS-ear model; fluid-filled; detects vibrations
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