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11 Cards in this Set
- Front
- Back
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Contralateral
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reflex crosses an interneuron to a motor neuron on other side of brain
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ipsilateral
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reflex all on same side of brain
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major descending tracts - cross in medulla oblongata
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corticospinal - lateral and ant.
reticulospinal - lat. ant., medial rubrospinal |
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major ascending tracts - cross in spinal cord
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fasciculus gracilis,fasciculus cuneatus
spinothalamic - lat. and ant. spinocerebellar - post. and ant. |
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CNS Neuroglial Cells
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Astrocytes - blood brain barrier
Oligodendrocytes - myelinating Microglia - phagocytic |
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astrocyte
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CNS neuroglial cell
mops up excess ions etc. forms blood brain barrier connects neurons/blood vessels |
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oligodendrocytes
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myelinating cell in CNS
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PNS Neuroglial cells
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Schwann cells
Satellite cells |
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Schwann cells
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produle myelin for peripheral myelinated neurons
only on axon |
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Satellite cells
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support clusters of neuron cell bodies (ganglia)
only on cell body |
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Filum Terminale
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extension of the pia mater
means "delicate mother" anchors the spinal cord |
