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25 Cards in this Set
- Front
- Back
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What ventral primary rami are part of the lumbar plexus?
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L1-L5
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Iliohypogastric nerve
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Innervates skin below the umbilicus (cutaneous) and lateral abdominal muscles (motor)
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Ilioinguinal nerve
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Goes through the inguinal canal
Innervates the tissue anterior to the pubis, the labia majora and mons pubis, the base of the penis and scrotum, and proximal medial thigh tissue (sensory) |
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Genitofemoral nerve
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Cremaster muscle (motor) and proximal anterior thigh (cutaneous)
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Lateral femoral cutaneous nerve
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Skin of the lateral thigh (cutaneous)
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Femoral nerve
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Innervates muscles of the anterior compartment of the thigh, pectineus, and iliacus (motor); anteromedial thigh and leg skin (sensory)
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Obturator nerve
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Innervates medial compartment of thigh (except pectineus and lower part of adductor magnus); lower medial thigh (sensory)
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What rami does the iliohypogastric nerve stem from?
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L1 (T12)
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What rami does the ilioinguinal nerve come from?
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L1
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What rami does the lateral femoral cutaneous stem from?
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L2 and 3
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What rami gives the genitofemoral nerve?
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L1 and 2
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What rami create the femoral nerve?
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L2,3, and 4
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What rami turn into the obturator nerve?
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L2,3, and 4
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What rami form the lumbosacral trunk?
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L4 and 5
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True or false: The femoral nerve is posterior to the obturator nerve.
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True
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What two organs tend to form stones? (random insert)
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Kidneys and gallbladder
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What does the tibial nerve innervate?
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Muscles of the posterior thigh, the posterior leg (calf region), planter nerves (foot), lower part of the adductor magnus; cutaneous innervation - sole of foot
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What is innervated by the superficial peroneal nerve?
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Lateral leg muscles (motor); skin of the lateral leg and dorsal foot
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What is innervated by the deep peroneal nerve?
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Anterior leg muscles (motor); skin between the big toe and second toe
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Where does the common peroneal nerve become the superficial and deep peroneal nerve?
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Posterior to the knee
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Superior gluteal nerve
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Rami: L4, L5, S1
Innervates the gluteus meatus and minimus and tensor faculata |
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Inferior gluteal nerve
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Rami: L5, S1, S2
Innervates gluteus maximus |
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Common peroneal nerve
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Posterior
Rami: L4,L5,S1,S2 Two divisions: superficial and deep |
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Sciatic nerve
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Anterior
Rami: L4,L5,S1,S2,S3 Union of two nerves: Common peroneal and tibial nerves |
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Pudendal nerve
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Rami: S2,S3,S4
Innervates floor of trunk (perineum), first and second muscle layers of perineum; external genetalia (sensory) |
