Nervous System

largest part of the brain

unmyelinated gaps of an axon

functional unit of the nervous system

three parts of the brain stem

part of the brain that is made up of the thalamus and hypothalamus

division of PNS responsible for rest and digest

responsible for regulation and maintenance of homeostasis

the outermost layer of the meninges

raised structures on the surface of the brain

lobe responsible for memory, speech, and hearing

masses of myelinated fibers appear

lobe responsible for vision

delicate, web-like middle layer of the meninges

lobe responsible for behavior and emotions

lobe responsible for senses like pressure, touch, and pain; language; memory

shallow grooves on the surface of the brain

the innermost layer of the meninges

cell that myelinate axons in the PNS

this division of the nervous system is composed of the brain and spinal cord

location of cerebrospinal fluid (CSF)

cell that myelinate axons in the CNS

technical term for "little brain"; located at posterior base of brain