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Nervous System

Chapter 9 and 10

QuestionAnswer
axons carry nerve impulses away from the cell body
dendrites carry impulses-highly branched
oligodendrites produces myelin for brain cells
multiple sclerosis myelin sheath disorder-between ages 20 and 40 in woman
tumors develop from glia cells, not neurons
2 neuron pathways most simple pathways
vital centers are located in: medulla oblongata
hypothalamous ADH hormone, regulates body temperature and water balance
duramater outer layer of the meninges
neurolemma outer membrane of schwann cell
lack of dopamine parkinson's
parts of brainstem medulla oblongata, pons, midbrain
smell (special sense) chemoreceptor
3 layers of the eyeball sclera, retina, choroid
iris and ciliary body involuntary muscle forming front part of chorois
cornea window of eye
refractive eye disorders myopia, hyperopia, astigmatism
external ear ends.. at tympanic membrane
bones in middle ear malleus, incus, stapes
cochlea organ of hearing
taste chemoreceptor
taste buds gustatory cells
4 primary tastes salty, sweet, sour, bitter
gray matter no myelin
sclera white of eye
night vision rods
day vision cones
photoreceptors for eye rods and cones
3 types of glia cells astrocytes, microglia, oligodendrocytes
astrocytes star-shaped cells that anchor small blood vessels to neurons
microglia small cells that move in inflammed brain tissue carrying onphagocystis
oligodendrocytes procedure myelin for the cells in the brain
male color blindness comes from the x chromosome from the mother
why does nose get used to smell olfactory receptors get easily fatigued
Created by: crystalhanson