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14 Cards in this Set
- Front
- Back
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Cervical plexus
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phrenic nerve (C3-5)
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Phrenic n. fxn
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-sensory & postganglionic sympathetic innervation to pericardium & central tendon (& adjacent pleura & peritoneum)
-motor (lmn) -postganglionic sympatheic innervation to diaphragm |
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Dorsal rami of thoracic spinal nn.
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motor, sensory, postgang symp of back muscles
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Intercostal n. (T1-6) fxn
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-sensory
-postgang symp -motor -of intercostal muscles, parietal pleura, and skin |
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Intercostobrachial n. origin/fxn
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-T2
-sensory/PGS of skin over proximal, medial arm |
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Intercostal n. (T7-11) fxn
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-sensory, PGS: intercostal mm., ant. ab mm., diaphragm, pleura, peritoneum
-motor: intercostal, ant. ab mm. |
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Subcostal n. (T12)
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-sensory, PGS: intercostal mm., ant. ab mm., peritoneum
-motor: ant. ab mm. |
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Iliohypogastric n. origin and fxn
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-L1
-sensory, PGS, motor: lower ant. ab mm. and skin |
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ilioinguinal n. origin and fxn
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-L1
-sensory, PGS: skin of penis, scrotum/mons pubis, labia majorum -sensory, PGS, motor: ant. ab mm. |
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genitofemoral n. origin and fxn
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-L1-2
-sensory, PGS: skin of labium majorum/scrotum -sensory, PGS, motor: cremaster m. |
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Pudendal n. origin and branches
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-S2-4
-inferior rectal n. -perineal n. -dorsal n. of clitoris/penis |
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Inferior rectal n. fxn
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-sensory, PGS: skin of anus
-sensory, PGS, motor: external anal sphincter |
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Perineal n. fxn
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-sensory, PGS, pregang parasymp: corpus spongiosum or bulb of vestibule
-sensory, PGS: spongy urethra -sensory, PGS, motor: perineal muscles |
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Dorsal n. of clitoris/penis fxn
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-sensory, PGS: skin of penis/clitoris
-sensory, PGS, preganglionic parasympathetic: corpus cavernosum |
