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20150615

Which is a typical intercostal nerve?

a. First
b. Second
c. Third
d. Seventh


Intercostal nerves can be divided into atypical and typical intercostal nerves:
  • atypical
    • first two intercostal nerves (T1 and T2) in addition to supplying the thorax also give branches to the brachial plexus
    • lowest five intercostal nerves (T7-T11) also supply the abdomen and peritoneum
  • typical
    • the remaining intercostal nerves (T3-T6) supply only the the thoracic wall
Courtesy: Radiopaedia.org


Ans c. THIRD

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