Diencephalon and Mesencephalon

Thalamus

• circle under corpus callosum

Epithalamus

• above thalamus

Pineal Gland

• dark nub on the end of corpus callosum

Hypothalamus

• triangle going off thalamus

Pituitary Stalk

• stalk in between optic nerve

Optic Nerve

• tube in bottom crevis of brain

Optic Chiasm

• X shape where optic nerves meet

Optic Tract

• bottom arms of X shape

Third Ventricle

• empty space above thalamus

Tectum

• roof of midbrain

Tegmentum

• part below tectum

Midbrain Aqueduct