internal oblique muscle

Noun CEFR C1

Definitions

A flat muscle situated under the external oblique muscle in the lateral and ventral part of the abdominal wall, that have aponeuroses extending medially to ensheathe the rectus muscles and fusing in the midventral line in the linea alba, and that act to compress the abdominal contents and to assist in expelling the contents of various visceral organs (as in urination, defecation, parturition, and expiration).

CEFR level

C1

Advanced
This word is part of the CEFR C1 vocabulary — advanced level.

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See also

internal occipital protuberance internal organ internal passport internal reconstruction internal refugee Internal Revenue Code

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