Term
| Corticospinal tract is what kind of tract? |
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Definition
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Term
| Descending tracts take what kind of info from the CNS to where? |
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Definition
| take efferent info from CNS to periphery |
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Term
| Motor tracts control what? |
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Definition
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Term
| Descending motor tracts are classified into what 2 systems? |
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Definition
| Pyramidal system and extrapyramidal system |
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Term
| The pyramid system carries signals that generate what movements? |
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Definition
| variable voluntary skeletal muscle movements |
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Term
| The extrapyramidal system carries signals that generate what movement? |
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Definition
| stereotypic movements (reflexes, posture, locomotion) |
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Term
| The extrapyramidal system carries signals that modulate what movements? |
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Definition
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Term
| What are the 2 tracts of the pyramidal system? |
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Definition
| Corticospinal tract and corticonuclear tract |
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Term
| The main component of the corticospinal tract is what? |
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Definition
| lateral corticospinal tract |
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Term
| What does the lateral corticospinal tract connect? |
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Definition
| connects the lower end of the medulla to the ventral horn |
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Term
| Corticonuclear tract connects to what? |
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Definition
| connects to cranial nerve motor nuclei in the brainstem |
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Term
| What motor neurons do the corticopinal tract consist of? |
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Definition
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Term
| Lower motor neurons convey siganls from where to where? |
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Definition
| corticospinal tract to skeletal muscles |
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