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Lab 08 Quiz

QuestionAnswer
What are the two main types divisions of the nervous system? central and peripheral
What is included in the central nervous system? the brain and spinal cord
What is included in the peripheral nervous system? the cranial and spinal nerves
What are the two divisions of the peripheral nervous system? afferent and efferent
Where is the afferent nervous system directed? into the body (central nervous system) through receptors
Where is the efferent nervous system directed? out of the central nervous system to the body
What are the divisions of the efferent nervous system? autonomic and somatic
What does the somatic nervous system contain? skeletal muscle
What does the autonomic nervous system contain? smooth muscle, cardiac muscle, and glands
What are neurons? the functional units of the nervous system
What are neuroglia? the helper cells
What are the four neuroglia in the central nervous system? astrocytes, oligodendrocytes, microglia, and ependymal cells
What are the two neuroglia in the peripheral nervous system? Schwann and satellite cells
Describe astrocytes. star-shaped cells, perivascular feet wrap around blood vessels and neurons, function as "anchors", responsible for formation of the blood-brain barrier
Describe oligodendrocytes. support the CNS, processes form myelin sheaths
Describe microglia. phagocytes that remove debris, necrotic tissue, and pathogens
Describe ependymal cells. line the ventricles of the brain and central canal of the spinal cord, produce cerebrospinal fluid (CSF), cilia move CSF through ventricles
Describe Schwann cells. flat cells that come together with other Schwann cells to form myelin sheaths
Describe satellite cells. support sensory neurons and regulate the chemical environment
What are neuroglia? the helper cells
What are the four neuroglia in the central nervous system? astrocytes, oligodendrocytes, microglia, and ependymal cells
What are the two neuroglia in the peripheral nervous system? Schwann and satellite cells
Describe astrocytes. star-shaped cells, perivascular feet wrap around blood vessels and neurons, function as "anchors", responsible for formation of the blood-brain barrier
Describe oligodendrocytes. support the CNS, processes form myelin sheaths
Describe microglia. phagocytes that remove debris, necrotic tissue, and pathogens
Describe ependymal cells. line the ventricles of the brain and central canal of the spinal cord, produce cerebrospinal fluid (CSF), cilia move CSF through ventricles
Describe Schwann cells. flat cells that come together with other Schwann cells to form myelin sheaths
Describe satellite cells. support sensory neurons and regulate the chemical environment
Created by: sillandr