Nervous System Unit – Scavenger Hunt
Graded Assignment
Find the following structures on the ear, eye, and brain models, write the
correct number in the blank next to the term.
____ eustachian (pharyngotympanic) tube
____ posterior chamber
____ pinna
____ cochlea
____ retina
____ pupil
____ choroid
____ vestibular nerve
____ optic disc (blind spot)
____ cochlear nerve
____ auditory canal (external acoustic meatus)
____ ciliary body
____ optic nerve
____ pituitary gland
____ tympanic membrane (eardrum)
____ cerebrum
____ lens
____ vestibule
____ iris
____ semicircular canals
____ stapes
____ cornea
____ malleus
____ sclera
____ superior rectus
____ cerebellum
____ incus
____ brain stem
____ lateral rectus
____ diencephalon
Find the following structures on the eye and brain dissections, write the
correct number or letter in the blank next to the term.
____ pons
____ lens
____ medulla oblongata
____ thalamus
____ optic disc (blind spot)
____ sclera
____ midbrain
____ tapetum lucidum
____ retina
____ optic nerve
____ choroid
____ diencephalon
____ spinal cord
____ epithalamus (pineal gland)
____ optic chiasma
____ opening to the third ventricle
Nervous System Unit – Scavenger Hunt
Graded Assignment
____ optic nerve
____ pupil
____ lateral ventricle
____ superior colliculus
____ ciliary body/zonule
____ inferior colliculus
____ opening to the fourth ventricle
____ fornix
____ iris
____ corpus callosum
____ cornea
____ olfactory bulbs
____ arbor vitae
____ longitudinal fissure
____ vermis
Answer the following questions completely.
1. Name the four adult brain structures
a. ____________________
b. ____________________
c. ____________________
d. ____________________
2. What is the collective name for the malleus, incus, and stapes?
3. What is the name of the cranial nerve that is formed from the merging of the cochlear and
vestibular nerves?
4. True or False? The cochlea is the organ of hearing.
5. True or False? The sclera is the photoreceptive sensory layer of the retina.
6. True or False? The iris is the white part of your eye.
7. What is the most superficial and anterior structure on the human eye?
Nervous System Unit – Scavenger Hunt
Graded Assignment
8. List the six extrinsic eye muscles and describe the type of movement they control individually.
a. __________________________ b. __________________________ c. __________________________ d. __________________________ e. __________________________ f.
__________________________ -
9. What brain structure acts as the relay station for all ascending sensory signals?
10. List the three meningeal layers that generally cover the brain and spinal cord. List them in order
from most superficial to deep.
a. ___________________________
b. ___________________________
c. ___________________________