Final Exam Flashcards
What cells are located in the CNS?
What cells are located in the PNS?
Astrocytes, ependymal, and oligodendrocytes, microglial cells
Schwann, satellite
What divides the 2 cerebral hemispheres?
Longitudinal fissure
What separates the temporal lobe from the frontal and parietal lobes?
Lateral fissure
What separates the frontal lobe from the parietal lobe?
Central sulcus
What color is the dura mater on the torso model?
Gray
What color is the arachnoid mater on the torso model?
Light blue
What color is the pia mater on the torso model?
White
What do astrocytes do?
Anchors neurons to capillaries
Forms part of the blood-brain barrier
Regulates the chemical environment
What do ependymal cells do?
Line the ventricles of the brain and central canal of spinal cord
Assist in producing, circulating and monitoring CSF
What do microglial cells do?
Moves like an amoeba
Phagocytizes invading microorganisms and dead nervous tissue cells
What do oligodendrocytes do?
Form the myelin sheath
What do Schwann cells do?
Where are they located?
Forms myelin sheath
Aids in regeneration of damaged neuron
Around axons of some PNS neurons
What do satellite cells do?
Where are they found?
Help nourish neurons and regulate their chemical environment
Surround cell bodies of neurons in PNS ganglia