Unit II lab exercises 8-10

Petrus part of Anterior view or ear
Temporal bone Internal ear

(cut away)

Middle ear

External ear

External auditory meatus

? part of ? view or ear
? bone ??
(cut away) ??

?
?

???

3 Semicircular canals Anterior view or ear

Vestibulocochlear Ossicles in
nerve middle ear

Cochlea Tympanic memb. /
eardrum
Eustachian /
Auditory tube Internal Carotid a.

?? ? view or ear
? ???

?/? ? ? in ? ?

??/?
???

Anterior view of ear detail 3 semicircular canals

Vestibulocochlear
nerve

Incus

Stapes

Malleus
memb.

Cochlea Tympanic

? view of ear detail ???
??
?
? ?

?

?
?

Stapes connects here

Incus
Malleus

Tympanic memb.

? connects here ?
?? ?

Cochlear Labyrinth

Lab exercises #9

Anterior view of cochlear labyrinth 3 semicircular
canals
Cochlea Vestibule area
L
M A
E T
D E
I R
A A
L L

Oval window

? view of ? ? ? area ???

? ?
?
? ?
? ?
? ?
? ?
? ?
?
??

Posterior view of cochlear labyrinth

Cochlea

Vestibulocochlear Nerve
(CN #8)

? view of ? ? ?
? ? (CN #?)

Dissected Cochlea

Vestibular membrane Scala Vestibuli
(pink)

Scala Media
Cochlear Duct

(blue)

Organ of Corti Scala Tympani
(inside Cochlear duct) (green)

Vestibulocochlear nerve

Dissected ?
??

? ? (pink)

? ?/? ?
(blue)

? of ? ??
(inside ? ? ) (green)

??

Human Brain

Lab exercises #9

Parietal lobe Central fissure
Lateral fissure
Frontal lobe

Occipital Temporal lobe
lobe
Pons
Cerebellum Medulla oblongata

Rt. Lateral cerebral hemisphere

?? ??
??
??
? ??
??

?
??
????

Corpus callosum Intermediate mass
Pineal body / gland of thalamus
Cerebral aqueduct Fornix

Hypothalamic area

Parietoccipital 3rd. Ventricle area
sulcus
Optic chiasm
4th. ventricle

Lt. lateral cerebral hemisphere

??

? ?/? ? ? of ?
??
?

??

???

??
??

??

????

Cerebellum Medulla oblongata
Temporal lobe Pons

Frontal lobe

Optic nerves (CN#2)
Olfactory nerves (CN#1)
Inferior view of whole brain

? ??
?? ?
??
? ? (CN#?)
? ? (CN#?)
? view of whole brain