MEDIAN SECTION OF HEAD MODEL

1

Superior Sagittal Sinus

• collects blood draining from the brain tissue

2

Bone of the Skull

• protection of brain

3

Arachnoid Mater

• protection of the brain

4

Corpus Callosum

• Commissure that connects cerebral hemisphere's

5

Fornix

• concerned with olfactory and limbic system functions

6

Choroid Plexus

• produces CSF

7

Septum Pellucidum

• separates the lateral ventricles

8

Dura Mater

• protection of the brain

9

Arachnoid Villus

• facilitate the drainage of CSF

10

Cerebral Hemisphere

• language and abstract processes

11

Cerebral Hemisphere

• language and abstract processes

12

Thalamus

• relay station for sensory

13

Optic Chiasma

• Area where medial portion of optic nerves cross

14

Infundibulum

• hormone transport

15

Hypophysis/ Pituitary Gland

• connects the gland to the hypothalamus

16

Mammillary Body

• relay station for olfaction

17

Cerebral Aqueduct

• takes the CSF from the third ventricle to the fourth ventricle

18

Inferior Colliculi of Corpora Quadrigemina

• auditory reflex center

19

Cerebellum

• controls balance and equilibrium

20

Straight Sinus

• involved in CSF flow

21

Superior Colliculi of Corpora Quadrigemina

• visual reflex center

22

Pineal Body

• produces hormones

23

Third Ventricle

• Takes cerebrospinal fluid from the interventricular foramen to the cerebral aqueduct

24

Intermediate Mass of the Thalamus

• connects the thalamic lobes and bridges the ventricles

25

Cerebral Aqueduct

• takes the CSF from the third ventricle to the fourth ventricle

26

Pons

• the bridge, made up of sensory and motor tracts connecting the brain with lower CNS centers

27

Fourth Ventricle

• Takes cerebrospinal fluid from the cerebral aqueduct to the central canal

28

Spinal Cord

• communication pathway for nerves

29

Third Ventricle

• Takes cerebrospinal fluid from the interventricular foramen to the cerebral aqueduct

30

Cerebellum

• controls balance and equilibrium

31

Arbor Vitae

• Propogates impulses from equilibrium and visual

32

Medulla Oblongata

• made up of fiber tracts, connects the spinal cord to the brain

33

Spinal Column

• Structural Support