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Lumboinguinal nerve

Lumboinguinal nerve
Gray826and831.PNG
Cutaneous nerves of the right lower extremity. Front and posterior views. (Lumboinguinal visible at upper left, in green.)
Gray825and830.PNG
Cutaneous nerves of the right lower extremity. Front and posterior views. (Lumboinguinal visible at upper left.)
Details
From genitofemoral nerve
Identifiers
Latin ramus femoralis nervi genitofemoralis, nervus lumboinguinalis
Dorlands
/Elsevier
r_02/12690076
TA A14.2.07.010
FMA 16496
Anatomical terms of neuroanatomy
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The lumboinguinal nerve, also known as the femoral or crural branch of genitofemoral, is a nerve in the abdomen. The lumboinguinal nerve is a branch of the genitofemoral nerve. The "femoral" part supplies skin to the femoral triangle area.

The lumboinguinal nerve arises from the genitofemoral nerve. It descends alongside the external iliac artery, sending a few filaments around it, and, passing beneath the inguinal ligament, enters the sheath of the femoral vessels, lying superficial and lateral to the femoral artery. Here, it pierces the anterior layer of the sheath of the vessels and the fascia lata, and supplies the skin of the anterior surface of the upper part of the thigh.

On the front of the thigh it communicates with the anterior cutaneous branches of the femoral nerve.

A few filaments from the lumboinguinal nerve may be traced to the femoral artery.

Structures passing behind the inguinal ligament.

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


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