SAGITTAL SECTION OF HUMAN HEAD (copy)

41

cerebral hemisphere, complex reasoning

42

corpus callosum, connects cerebral hemispheres

43

septum pellucidum, separates lateral ventricles

44

fornix, concerned with olfaction

46

thalamus, relay station for sensation except smell

100

intermediate mass of thalamus, connects thalamic lobes

11

third ventricle, takes CSF from interventricular foramen to cerebral aqueduct

50

pituitary gland, produces hormones

92

infundibulum, connects hypothalamus to pituitary gland

49

mammillary body, relay station for olfaction

54

pons, connects brain with lower CNS centers

55

medulla oblongata, controls vital autonomic functions like heart rate

56

spinal cord, reflex area

10

spinal column, protects spinal cord

52

cerebellum, balance and equilibrium

45

choroid plexus, makes CSF

99

pineal gland, produces melatonin

98

fourth ventricle, takes CSF from cerebral aqueduct to central canal

97

arbor vitae, carries sensory and motor information to and from cerebellar cortex

96

cerebral aqueduct, takes CSF from third to fourth ventricle

95

superior colliculi of corpora quadrigemina, contains visual reflex center

48

inferior colliculi of corpora quadrigemina, contains auditory reflex center

94

straight sinus, involved in CSF flow

93

optic chiasma, area where medial portion of optic nerves cross

40

arachnoid villus, reabsorbs CSF into bloodstream 

grey line (GL)

dura mater, protects the brain

red line (RL)

arachnoid mater, protects the brain by housing CSF, which cushions and supports brain

3

bone of the skull, protects the brain