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25 Cards in this Set
- Front
- Back
Dura Mater:
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"Hard Shell" outside Spinal Cord
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Arachnoid Mater:
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Underneath side of the "Hard Shell" side
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Subarachnoid Space:
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the space where spinal fluid flows through
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Pia Mater:
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"Skin" on spinal cord
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What are the Meningeal layers (3):
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1. Dura Mater
2. Arachnoid Mater 3. Pia Mater **DAP** |
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Grey Matter:
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"Butterfly" looking superiorly on spinal cord
**Nerve cell bodies** |
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White Matter:
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Everything outside the "Butterfly"
**Axons are mylinated here |
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Dorsal Horn:
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Pointed parts (Location-Posterior)
**Look for Ganglion--always mean posterior side |
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Ventral Horn:
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More rounded parts (Location-Anterior)
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Lateral Horn:
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Hump/Bump located between the dorsal and ventral horn
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Dorsal Nerve Roots and Rootlets:
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Located Posterior
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Ventral Nerve Roots and Rootlets:
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Located Anterior
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Rootlets:
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Individually Seperated roots
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Roots:
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Points where the Rootlets come together to make one
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Spinal Nerve:
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Where Dorsal and Ventral roots come together
**Mixed (sensory&motor components): innervated by posterior rami |
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Dorsal Root Ganglion:
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Thick Root before the Spinal Nerve
Located Posterior side |
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Conus Medullaris:
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Cone at end of Spinal Cord (where it starts to taper)
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Cauda Edquina:
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"Horse Tail" fibers that are tapering off Conus Medullaris
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Denticulate Ligaments:
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attaches Pia Mater to Arachnoid Mater
**Shorter, located at anterior side |
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Filum Terminale:
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Continuation of Pia Mater
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What does the Filum Terminal do?
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1. Anchors to sacrum
2. Keeps Spinal Cord secure |
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Afferent?
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Awareness because you are using sensory. (Dorsal Side)
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Efferent?
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Motor (need energy)
Anterior side-goes away to peripheral |
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2 things are continuation of the Pia Mater, what are they?
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1. Filum Terminale
2. Denticulate Ligament |
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What is this picture of?
Label A-M |
Spinal Cord
A. Dorsal Root Ganglion G. Dorsal Horn B. Spinal Nerve H. Ventral Horn C. Ventral Rootlets I. Lateral Horn D. Ventral Roots J. Grey Matter E. Dorsal Roots K. White Matter F. Dorsal Rootlet L. Dorsal Sulcus M. Ventral Sulcus |