Special Senses: Olfaction, Taste, Hearing, and Vision
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Name ________________________
Know the difference between photoreceptors receptors, mechanoreceptors, and
chemoreceptors.
Be able to classify the sense(s) associated with each receptor type
Olfaction and Taste Ex. 26 Activities 3 – 6 (3 – 5 & handout new)
 Understand the results of each smell and taste experiment
 Know the following taste structures (Fig 26.2):
papillae
taste pore
taste bud
taste cell (gustatory receptor cell)
Hearing and Equilibrium Ex. 25
 Know the following structures (Fig 25.1):
incus
middle ear
cochlea
stapes
outer ear
auditory canal
malleus
inner ear
auricle (pinna)
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semicircular canals
tympanic membrane
external acoustic meatus
Understand the basic mechanism of hearing and the results of each experiment
Be familiar with the following condition: ear infection (otitis media)
Vision Ex. 24 Activities 5, 9 (8 new) ,10
 Know the following human eye structures (Fig. 24.3):
iris
retina
choroids
fovea centralis
lens
sclera
optic nerve
optic disk (blind spot)
pupil
cornea
ciliary body
anterior chamber (contains aqueous humor)
posterior segment (contains vitreous humor)
 Know the function of the rods and cones
 Understand the basic results of each vision experiment
 Understand why humans have a blind spot in each eye
 Be familiar with the following conditions:
Astigmatism
Glaucoma
Cataracts
Nearsightedness
Farsightedness
color blindness
Cow Eye Dissection
 Know the following structures (Fig. 24.6):
Cornea
optic nerve
retina
Sclera
lens
pigmented choroid (tapetum lucidum)
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What is the function of the tapetum lucidum? Do you know of any other animals that
have this structure in their eye?
Recommended Homework:
Vision: Pg. 622-626 (377-382 new) #6, 7, 9, 17, 22, 25, 30
Hearing: Pg. 629-632 (393-396 new) #1, 2; Lab Tests as appropriate
Olfaction and Taste: Pg. 633-644 (403-404 new) #5, 11