Lab Ex. 29 Sheep Brain

By Michael J. Harman

External – Doral View

Meninges

Dura mater

Arachnoid mater

Pia mater

Cerebral hemispheres

Longitudinal fissure

Frontal lobe

Parietal lobe

Temporal lobe

Occipital lobe

Pineal gland

Cerebellum

Midbrain - Corpora quadrigemina

Medulla oblongata

Spinal cord

External Ventral View

Longitudinal fissure

Olfactory bulb

Optic nerve

Optic chiasma

Optic tract

Mammillary body

Infundibulum

Pituitary gland

Midbrain - Cerebral peduncles

Pons

Medulla oblongata

Cerebellum

Spinal cord

Internal View

Cerebrum

Gray matter - Cerebral cortex

White matter

Ventricles

Lateral ventricles (L & R)

3rd ventricle

Cerebral aquiduct

4th ventricle

Choroid plexus

Corpus callosum

Diencephalon

Thalamus

Hypothalamus

Cerebellum

Arbor vitae = tree-like pattern

Brain stem

Midbrain

Pons

Medulla oblongata