BIO 342
Comparative Vertebrate Anatomy
Nervous System - Brains, spinal cord, eye, & ear


On all brain models: Roman numerals I through XII are the cranial nerves.



 
SHARK BRAIN
 1 - olfactory lobe
 2 - cerebral hemisphere
 3 - hypothalamus
 4 - pituitary gland
 5 - optic lobe
 6 - cerebellum
 10 - saccus vasculosus

ALLIGATOR BRAIN
 1 - olfactory bulb
 2 - cerebral hemisphere
 4 - optic lobe
 5 - cerebellum
 6 - hypothalamus
 8 - pituitary gland

RABBIT BRAIN
 1 - olfactory bulb
 2 - cerebral hemisphere
 3 - pineal body
 4 - corpora quadrigemina
 5 - cerebellum
 6 - pons
 7 - rhinal fissure
 
 
 
 

 

FROG BRAIN
 1 - olfactory bulb
 2 - cerebral hemisphere
 4 - pineal stalk
 5 - optic lobe
 6 - cerebellum
 7 - hypothalamus
 9 - pituitary gland

PIGEON BRAIN
 1 - olfactory bulb
 2 - cerebral hemisphere
 3 - pineal body
 4 - cerebellum
 5 - optic lobe
 6 - pituitary gland

RHESUS MONKEY BRAIN
 1 - olfactory bulb
 2 - central sulcus (divides frontal & parietal lobes)
 3 - pyramids of medulla
 4 - pons
 5 - stalk of pituitary
 6 - cerebellum
 7 - lateral fissure (separates temporal from parietal 
         & frontal lobes)
 8 - pareito-occipital incisure
 KNOW: frontal, parietal, temporal, & occipital 
            lobes of the cerebrum

 



 
MAMMALIAN EYE MODEL
 cornea
 lens
 pupil
 iris
 sclera
 choroid
 retina:
   fovea
   optic disc
 ciliary body
 vitreous chamber
 anterior chamber
 extrinsic eyeball muscles:
    superior rectus
    inferior rectus
    medial rectus
    lateral rectus
    superior oblique
    inferior oblique
MAMMALIAN EAR MODEL
 external ear (pinna)
 external auditory meatus
 tympanic membrane
 malleus
 incus
 stapes
 cochlea
 semicircular canals
     anterior vertical
     posterior vertical
     lateral
 ampullae
 
 
 
 
 

 

SPINAL CORD MODEL
 gray matter
 white matter
 central canal
 dorsal root of spinal nerve
 dorsal root ganglion
 ventral root of spinal nerve
 anterior fissure
 posterior fissure
 
 
 
 
 
 
 
 
 

 


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