Spinal Cord Gross Anatomy | Major Nerve Plexuses | Major/Selected Nerves |
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What are Spinal Spaces
Epidural, Subdural, and Pia
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What is the Brachial Plexus
Ulnar, radial, and axillary nerves for example
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What is the Musculocutaneous Nerve
Innervates both heads of the biceps brachii muscle
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What are Spinal Meninges
Dura, Arachnoid, and Pia Mater
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What is the Cervical Plexus
Contains 1 nerve of which innervates the diaphragm
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What is the Radial Nerve
Posterior arm muscles, such as the supinator, are innervated by this nerve
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What are the denticulate ligaments
Anchors spinal cord laterally
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What is the Sacral Plexus
Houses the nerve that branches to the tibial and common fibular nerves
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What is the cauda equina
Horse Tail-like structure of spinal cord
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What is the intercostal nerves
These do NOT form a plexus
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What is the posterior (dorsal) root ganglion
'Swelling' with cell bodies on spinal cord
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What is the lumbar plexus
This one has a sensory function at the proximal medial thigh
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