Nerves of abdominal region

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  • Created by: ftpptf
  • Created on: 17-04-19 18:43
What nerves provide motor and sensory supply to the lateral and anterior abdominal wall?
Thoracoabdominal nerves (T7-T11).
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What are the thoracoabdominal nerves continuations of?
Lower intercostal nerves.
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Where do the thoracoabdominal nerves run?
In plane between transverses abdominis and internal oblique.
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What are the nerves of the posterior abdominal wall derived from?
Lumbar plexus.
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Where does the lumbar plexus lie?
Behind and within psoas major muscle.
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Where does the subcostal nerve arise from?
Anterior ramus of T12.
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Where does the subcostal nerve run?
Along inferior border of 12th rib then onto sub umbilical abdominal wall.
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Where does the iliohypogastric nerve arise from?
Superior terminal branch of anterior ramus of L1.
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What does iliohypogastric pierce? and what do its branches pierce?
Pierces transversus abdominis and branches pierce external oblique aponeurosis of most inferior abdominal wall.
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Where does the ilio-inguinal nerve arise from?
Inferior terminal branch of anterior ramus of L1.
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Where does ilio-inguinal run?
Between second and third layers of abdominal muscles and then traverses inguinal canal.
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What are the prinicipal autonomic nerves of the abdomen?
Vagus, sympathetic trunk and aortic plexus.
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What does the aortic plexus innervate?
Sympathetic innervation to most of abdominal viscera.
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What do the branches of the vagus nerve supply?
Parasympathetic supply to stomach, small and large intestine and other abdominal organs.
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Other cards in this set

Card 2

Front

What are the thoracoabdominal nerves continuations of?

Back

Lower intercostal nerves.

Card 3

Front

Where do the thoracoabdominal nerves run?

Back

Preview of the front of card 3

Card 4

Front

What are the nerves of the posterior abdominal wall derived from?

Back

Preview of the front of card 4

Card 5

Front

Where does the lumbar plexus lie?

Back

Preview of the front of card 5
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