Organization
contained within the central nervous system
Brain & Spinal cord
the ear canal is called?
external auditory canal
The largest and most superior part of the brain
cerebrum
Fibers that conduct impulses away from the cell body
axon
brain diseases where there is cute inflammation of the meninges
meningitis
contained in peripheral nervous system
nerves
the external ear is the
pinna
Lobe that is the visual processing center
Occipital Lobe
branching fibers at the end of the axon; contain vesicles filled with chemicals called neurotransmitters
axon terminal
Disease that occurs when the myelin sheath around neurons is gradually destroyed and hardens into “scleroses”
Multiple Sclerosis
System that links the CNS to other parts of the body
PNS
the eardrum is called the
tympanic membrane
Lobe involved with auditory perception and olfactory area is deep inside
temporal lobe
Some neurons have a covering composed of a whitish, fatty material called
myelin sheath
large fiber tract that connects the two cerebral hemispheres and allows communication between the two sides of the cerebral cortex
corpus callosum
Name the two subsections of the PNS
Afferent & Efferent or Sensory & Motor
the middle ear connects to pharynx via the
Eustachian tube
Lobe that processes sensory information such as touch, temperature, and taste
allow impulse to jump from node to node, increasing transmission speed
nodes of ranvier
What are the 3 sections of the brain stem called?
Midbrain, pons, & medulla oblongata
The autonomic nervous system does what?
maintains homeostasis
Name the 3 smallest bones in the body called the auditory ossicle
malleus
incus
stapes
Lobe involved with motor function, problem solving Memory, Language, Judgment, and Socially acceptable behavior
frontal lobe
Neurons do not actually touch each other. The junction between them is called
synapse
Name the 3 major sections of the diencephalon
Thalamus, Hypothalamus, & Epithalamus