Posterior branch of obturator nerve

Posterior branch of obturator nerve
Details
From	obturator nerve
Innervates	Adductor magnus muscle
Identifiers
Latin	ramus posterior nervi obturatorii
TA	A14.2.07.016
FMA	45307
	Anatomical terms of neuroanatomy

The posterior branch of the obturator nerve pierces the anterior part of the Obturator externus, and supplies this muscle; it then passes behind the Adductor brevis on the front of the Adductor magnus, where it divides into numerous muscular branches which are distributed to the Adductor magnus and the Adductor brevis [Chung and Chung BRS Gross anatomy 7th edition].

It usually gives off an articular filament to the knee-joint.

Articular branch for the knee-joint

The articular branch for the knee-joint is sometimes absent; it either perforates the lower part of the Adductor magnus, or passes through the opening which transmits the femoral artery, and enters the popliteal fossa; it then descends upon the popliteal artery, as far as the back part of the knee-joint, where it perforates the oblique popliteal ligament, and is distributed to the synovial membrane. It gives filaments to the popliteal artery.

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References

This article incorporates text in the public domain from page 954 of the 20th edition of Gray's Anatomy (1918)

External links

medialthigh at The Anatomy Lesson by Wesley Norman (Georgetown University) (medialthigh3)
Anatomy photo:12:st-0604 at the SUNY Downstate Medical Center

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