Brain & Eye

Question 1

Answer 1

Brain

[External View]

1) Central sulcus
2) Frontal lobe
3) Pons
4) Medulla oblongata
5) Cerebellum
6) Occipital lobe
7) Temporal lobe
8) Parietal lobe

Question 2

Answer 2

Brain

[Sagittal section]

1) Fornix
2) Interthalamic adhesion (intermediate mass)
3) Pineal gland
4) Arbor vitae
5) Cerebellum
6) Medulla oblongata
7) Fourth ventricle
8) Pons
9) Thalamus
10) Septum pellucidum
11) Corpus callosum

Question 3

Answer 3

Brain

[Sagittal Section]

1) Superior colliculi
2) Inferior colliculi
3) Corpora quadrigemina (Tectum)
4) Mammilary body
5) Pituitary gland
6) Optic chiasma
7) Hypothalamus

Question 4

Answer 4

Brain

[Sagittal Section]

1) Fornix
2) Corpus callosum
3) Spetum pellucidum
4) Lateral ventrial (space on either side of #3)
4. 5) Optic chiasma
5) Pituitary gland
6) Mammilary body
7) Superior colliculi
8) Inferior colliculi
9) Corpora quadrigemina
10) Pons
11) Medulla oblongata
12) Cerebellum
13) Arbor vitae
14) Corpus callosum (again)

Question 5

Answer 5

Brain

[Sagittal Section]

1) Hypothalamus
2) Mammillary body
3) Cerebral peduncle
4) Cerebral aqueduct
5) Fourth ventricle
6) Inferior colliculi
7) Superior colliculi
8) Corpora quadrigemina
9) Pineal gland
10) Thalamus
11) Interthalamic adhesion
12) Fornix
13) Corpus callosum

Question 6

Answer 6

Brain

[Sagittal Section]

1) Fornix
2) Pituitary gland
3) Corpus callosum
4) Superior calliculi
5) Inferior calliculi
6) Corpora quadrigemina
7) Cerebellum
8) Arbor vitae
9) Medulla oblongata
10) Pons
11) Hypothalamus
12) Thalamus
13) Interthalamic adhesion
14) Septum pellucidum

Question 7

Answer 7

Cranial Nerves

1) Hypoglossal nerve (XII)
2) Accessory nerve (XI)
3) Vagus nerve (X)
4) Glossopharyngeal nerve (IX)
5) Facial nerve (VII)
6) Vestibulocochlear nerve (VIII)
7) Trigeminal nerve (V)
8) Trochlear nerve (IV)
9) Optic chiasma
10) Olfactory bulb
11) Optic nerve (II)
12) Oculomotor nerve (III)
13) Abducens nerve (VI)

Question 8

Answer 8

Cranial Nerves

1) Olefactory bulb
2) Optic nerve
3) Trigeminal nerve
4) Facial nerve
5) Glossopharyngeal nerve
6) Vagus nerve
7) Accessory nerve
8) Hypoglosseal nerve
9) Vestibulocochlear nerve
10) Abducens nerve
11) Trochlear nerve
12) Oculomotor nerve

Question 9

Answer 9

Sheep Brain

[Sagittal Section]

1) Cerebellum
2) Arbor vitae
3) Medulla oblongata
4) Pons
5) Cerebral aqueduct
6) Hypothalamus
7) Optic chiasm

8) Olefactory bulb (?)
9) Fornix

10) Lateral ventricle
11) Corpus callosum
12) Thalamus
13) Pineal gland
14) Superior colliculi
15) Inferior colliculi

Question 10

Answer 10

Sheep Brain

[Sagittal Section]

1) Hypothalamus
2) Pituitary gland
3) Pons
4) Medulla oblongata
5) Cerebellum
6) Arbor vitae
7) Pineal gland
8) Thalamus

Question 11

Answer 11

Sheep Brain

[Dorsal View]

1) Frontal lobe
2) Parietal lobe
3) Temporal lobe
4) Occipital lobe
5) Cerebellum
6) Dura mater
7) Longitudinal fissure

Question 12

Answer 12

Brain with Meninges

1) Falx cerebri
2) Tentorium cerebelli
3) Cerebellum
4) Dura mater
4. 5) Arachnoid mater
5) Optic nerve
6) Longitudinal fissure
6. 5) Pia mater

Note: Falx cerebri is the dura mater in the longitudinal fissure

Note: tentorium cerebelli is the dura mater covering the cerebellum and separating the cerebellum from the cerebrum

Note: Arachnoid mater on underside of dura mater when removing

Note: Pia mater is thin and contours to brain

Question 13

Note: No 6, 7, 9, 12, 14, 16, 19, 21, 22

Answer 13

Sheep Brain

[Sagittal Segment]

1) Arbor vitae
2) Cerebellum
3) Superior colliculi
4) Inferior colliculi
4. 5) Corpora quadrigemina
5) Pineal gland
8) Lateral ventricle
10) Cerebral aqueduct
11) Fourth ventricle
13) Septum pellucidum (part of it)
15) Fornix
17) Mammillary body
18) Hypothalamus
20) Corpus callosum
23) Optic chiasm
24) Pons
25) Interthalamic adhesion
26) Thalamus

Question 14

Answer 14

Sheep Cranial Nerves

1) Optic chiasm
2) Oculomotor nerve
3) Trigeminal nerve
4) Abducens nerve
5) Trochlear nerve (area?)
6) Mammillary body
7) Optic nerve
8) Olfactory bulb
9) Cerebral peduncle

Question 15

Answer 15

Eye

1) Sclera
2) Choroid
3) Iris
4) Pupil

Question 16

Answer 16

Eye

1) Sclera
2) Choroid
3) Vitreous humor
4) Lens
5) Iris

Question 17

Answer 17

Eye

1) Pupil
2) Choroid
3) Foeva centralis
4) Optic disc
5) Retina
6) Ciliary body
7) Iris

Question 18

Answer 18

Eye

1) Choroid
2) Sclera
3) Cornea
3. 5) Aqueous humor
4) Pupil
5) Iris

Question 19

Answer 19

Sheep Eye

1) Choroid
2) Tapetum lucidum
3) Retina
4) Sclera
5) Vitreous humor
6) Lens
7) Aqueous humor
8) Cornea
9) Pupil
10) Iris
11) Ciliary body

Question 20

Answer 20

Sheep Eye

1) Retina
2) Tepetum lucidum
3) Sclera
4) Choroid
5) Optic Disc (beneath retina)