Lab 6: Brain and Cranial Nerves

Central nervous system

Integrates, processes, and coordinates sensory data and motor commands

Peripheral nervous system

All neural tissue outside of the CNS; relays messages into the CNS and back out to the rest of the body for a response

Cerebrum

entire brain

cerebral hemispheres

each half of a full brain

Corpus callosum

cerebral cortex

name this layer

Outer layer of the cerebrum

Gyri

Elevated portions of the cerebral cortex

Sulci

shallow grooves that separate gyri

Fissures

DEEP, elongated grooves on the cerebrum

Longitudinal fissure

separates cerebral hemispheres

Lateral sulcus

Parieto-occipital sulcus

separates parietal and occipital lobes

Central sulcus

Precentral gyrus

Postcentral gyrus

Frontal lobe

Parietal lobes

Temporal lobes

Occipital lobe

Insula

Cerebellar hemispheres

Cerebellar cortex

Name this LAYER

Folia

Name this STRUCTURE

Vermis

Arbor vitae

white matter of the cerebellum

Thalamus

The "whites" of the "fried egg"

Hypothalamus

Pineal gland

"pink ponytail"

Anterior commissure

interthalamic adhesion

the "yolk" of the "fried egg"

Mamillary bodies

Optic chiasm

point at which optic nerve fibers cross in the brain

Optic nerve

Optic tract

Pituitary gland

Infundibulum

A stalk that attaches the pituitary gland to the hypothalamus.

Tectum

Superior colliculi

Inferior colliculi

Corpora quadrigemina

ALL four together

Aqueduct of midbrain

Name this passageway

Tegmentum

Cerebral peduncles

Pons

Transverse fibers

horizontal striations on pons

Medulla oblongata

Olive

Central canal

Name this passageway

Lateral ventricle

Septum pellucidum

Interventricular foramina

Third ventricle

Choroid plexus

Aqueduct of midbrain (ventricle model)

Fourth ventricle

Dura mater

Number 3 on picture

Arachnoid mater

Number 2 on picture

Pia mater

Number 1 on picture

Falx cerebri

separates the two cerebral hemispheres

Tentorium cerebelli

separates cerebrum from cerebellum

Falx cerebelli

separates the two hemispheres of the cerebellum

Superior sagittal sinus

Inferior sagittal sinus

Transverse sinus

Amygdala

Cingulate gyrus

Fornix

Hippocampus

Olfactory nerve

CN I

olfactory tracts

olfactory bulbs

Optic nerve

CN II

Occulomotor nerve

CN III

Trochlear Nerve

CN IV

Trigeminal Nerve

CN V

Abducens Nerve

CN VI

Facial Nerve

CN VII

Vestibulochochlear Nerve

CN VIII

Glossopharyngeal Nerve

CN IX

Vagus Nerve

CN X

Accessory Nerve

CN XI

Hypoglossal nerve

CN XII