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8 Cards in this Set
- Front
- Back
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Epineurium-
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covers the entire nerve (sciatic)
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Perineurium-
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covers nerve fasicles
vascular, needed to get blood to nerves |
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Endoneuroium-
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separates each axon from each other.
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Myelinated Axons staining- explain.
nodes of ranvier look like what? |
Axons are pink in a H&E stain
Node of ranvier: kissy fish |
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nodes of Ranvier: In a_________ section, spaces between adjacent _______ _____ appear as gaps in the myelin sheath
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In a LONGITUDINAL section, spaces between adjacent SCHWAN CELLS appear as gaps in the myelin sheath
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Address Pacini's corpuscles for appearance, location (5), and function (3).
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Lamellated corpuscle 2-4 mm in length ("onion shape")
found in deep layers of skin particularly around finger pads, in peritoneum, tendons and ligaments, around viscera. Transducer which responds to vibration, pressure and tension. |
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• Meissner's corpuscles:
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: Fine touch receptors (mechanoreceptor) numerous in dermal papillae of finger pads. Small - ovoid, or cylindrical in shape. Also found in lips, genital skin, edge of eyelids.
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Two point discrimination
Honeycombs: meisners corpuscles where avascular ______bumps into ____vascular _______ |
epithelium;connective tissue
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