NAU Bio 201 Exam 3 Study Guide Solutions
Astrocytes (CNS) - ANSWER-for blood brain barrier; control external environment of neurons
Microglia - ANSWER-Act as phagocytes, eating damaged cells and bacteria, act as the brains immune
system
Oligodendrocytes - ANSWER-produce myelin in CNS
Eppendyma...
satellite cells - ANSWER✔✔-surround neuron cell bodies in PNS
Schwann cells - ANSWER✔✔-produce myelin in PNS
resting membrane potential - ANSWER✔✔--70mV
graded potential - ANSWER✔✔-a shift in the electrical charge in a tiny area of a neuron
Hyperpolarization - ANSWER✔✔-The movement of the membrane potential of a cell away from rest
potential in a more negative direction.
inhibits
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