SHEEP BRAIN DISSECTION

1

cerebral hemisphere, complex reasoning

2

olfactory bulb, houses synapses of olfactory nerve fibers, CN1

3

olfactory tract, carries impulses associated with sense of smell to the brain

4

dura mater, protects the brain

5

sulcus, increase brain surface area

6

gyrus, increase

7

arachnoid mater, protects brain by housing cushioning CSF

1

longitudinal fissure, separates cerebral hemispheres

2

pineal gland, produces melatonin

3

cerebellum, balance and equilibrium

4

corpora quadrigemina, contains visual and auditory reflex center

5

medulla oblongata, controls vital autonomic functions like heart rate

6

spinal cord, reflex area

1

occipital lobe, processes visual information

2

pineal gland, produces melatonin

3

superior colliculi of corpora quadrigemina, contains visual reflex center

4

inferior colliculi of corpora quadrigemina, contains auditory reflex center

5

cerebellum, balance and equilibrium

1

optic chiasma, area where medial portion of optic nerves cross

2

dura mater, protects brain

3

infundibulum, connects hypothalamus to pituitary gland

4

mammillary body, relay station for olfaction

5

oculomoter nerve, CN3, eye muscle control

6

cerebral peduncle, connects cerebrum to pons

7

optic tract, carries visual information from optic chiasma to visual cortex

8

optic nerve, CN2, vision

9

olfactory tract, carries impulses associated with sense of smell to the brain

10

olfactory bulb, houses synapses of olfactory nerve fibers, CN1, olfaction

1

pons, connects cerebrum with lower CNS centers

2

abducens nerve, CN6, eye muscle control

3

spinal cord, reflex area

4

medulla oblongata, controls vital autonomic functions like heart rate

5

trigeminal nerve, CN5, motor control of jaw muscles

6

trochlear nerve, CN4, eye muscle control

7

cerebral peduncle, connects cerebrum to pons

8

oculomotor nerve, CN3, eye muscle control

1

infundibulum, connects hypothalamus to pituitary gland

2

oculomotor nerve, CN3, eye muscle control

3

cerebral peduncle, connects cerebrum to pons

4

trigeminal nerve, CN5, motor control of jaw muscles

5

abducens nerve, CN6, eye muscle control

6

spinal cord, reflex area

7

medulla oblongata, controls vital autonomic functions like heart rate

8

trigeminal nerve, CN5, motor control of jaw muscles

9

pons, connects brain with lower CNS centers

10

mammillary body, relay station for olfaction

11

optic tract, carries visual information from optic chiasma to visual cortex

12

optic chiasma, area where medial portion of optic nerves cross

13

optic nerve, CN2, vision

14

olfactory bulb, houses synpases of olfactory nerve fibers, CN1, olfaction

1

cerebrum, complex reasoning

2

septum pellucidum, separates lateral ventricles

3

lateral ventricle, take CSF from choroid plexus to third ventricle

4

optic chiasma, area where medial portions of optic nerves cross

5

thalamus, relay station for sensation except smell

6

hypothalamus, drives (sex, hunger, thirst)

7

mammillary body, relay station for olfaction

8

pons, connects brain with lower CNS centers

9

medulla oblongata, controls vital autonomic functions like heart rate

10

spinal cord, reflex area

11

fourth ventricle, takes CSF from cerebral aqueduct to central canal

12

superior and inferior colliculi of corpora quadrigemina, contains visual and auditory reflex center

13

arbor vitae, conducts impulses concerened with equilibrium

14

cerebral peduncle, connects cerebrum to pons

15

pineal gland, produces melatonin

16

fornix, concerned with olfaction

17

corpus callosum, connects cerebral hemispheres