Nervous System: Gray Matter, White Matter, and Brain Anatomy

Comprehensive vocabulary flashcards covering brain anatomy, matter types, diencephalon, brainstem, and meninges based on the provided lecture manual notes.

White matter

Regions of the nervous system that have myelin.

Gray matter

Regions of the nervous system that have the absence of myelin.

Function of myelin

Serves as insulation on the axon.

Cortex

The exterior surface of the cerebrum and cerebellum, which is composed of gray matter.

White matter location (Cerebrum and Cerebellum)

Located in the interior.

Thalamus and hypothalamus composition

These structures are mainly composed of gray matter.

External cerebral lobes

The Frontal lobe, Occipital lobe, Parietal lobe, and Temporal lobe.

Inferior view cerebral structures

Includes the Olfactory bulb, Olfactory tract, optic tract, Optic nerve, and Optic chiasm.

Internal cerebral structures

Includes the Corpus callosum, Fornix, Septum pellucidum, and Superior sagittal sinus.

Diencephalon structures

Includes the Thalamus, Hypothalamus, Pineal gland, Hypophysis (pituitary gland), Infundibulum, Intermediate mass of thalamus, and Mamillary body.

Brainstem structures

Includes the Medulla oblongata, Midbrain, Pons, Cerebral aqueduct, Corporal quadrigemina, Inferior colliculus, and Superior colliculus.

Meninges function

To aid in the protection of the brain.

Layers of the meninges (outer to inner)

Dura mater, arachnoid mater, and pia mater.

Epidural space

Found between the dura mater and the periosteum of the vertebrae.

Subarachnoid space content

Filled with Cerebrolspinal fluid.

Meningeal spaces and structures

Includes the Arachnoid mater, Arachnoid villus, Dura mater, Pia mater, Subarachnoid space, Subdural space, and Superior sagittal sinus.