Stack #73687 Word Scramble
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Question | Answer |
descending tracts | motor (efferent) tracts |
where efferent fibers originate from? | from motor nuclei (cranial nerves) or anterior horn cells spinal nerves? |
ascending tracts | sensory (afferent) tracts |
where afferent fibers ariginate from? | in cells outside of brainstem or spinal cord with sensory ganglia ( cranial nerves) or dorsal root ganglia (spinal nerves) |
corticospinal tracts M | voluntary muscle control |
Vestibulospinal tracts M | control mm tone, antigravity mm, and postural reflexes |
Rubrospinal tracts: M | muscular coordination and posture control |
Reticulospinal system m: | modifies transmition of sensation (pain), spinal reflexes, muscle tone and activity of sweat glands |
tectospinal tract: | assists in head turning responses in respons to visual stimuli |
Dorsal columns/medial lemniscus | discriminative touch, stereognosis, tactile pressure, barognosis, graphestesia, recognition of texture, 2 point discrimination, proprioception, and vibration |
Dorsal columns are divided: | UE - fasciculus cuneatus and LE - fascilicus gracilis |
Anterior spinothalamic tract (ventral) | crudely localized touch and pressure |
lateral spinothalamic tract: | pain and temperature |
Spinoreticular tract: | chronic deep pain |
spinocerebellar tract: | convey proprioception information from mm spindle and Golgi tendon organs, nessecery for coordination of movements |
What tracs are also called piramidal | corticospinal tracts |
what tracts are called extrapiramidal? | reticulospinal and rubrospinal tracts, and tectospinal tracts |
Created by:
kasia1
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