Muscular lacuna
Encyclopedia
The Muscular lacuna is the lateral compartment beneath the inguinal ligament
, for the passage of the iliopsoas muscle and femoral nerve
; it is separated by the iliopectineal arch
from the vascular lacuna
.
Inguinal ligament
The inguinal ligament is a band running from the pubic tubercle to the anterior superior iliac spine. Its anatomy is very important for operating on hernia patients.-Anatomy:...
, for the passage of the iliopsoas muscle and femoral nerve
Femoral nerve
The femoral nerve, the largest branch of the lumbar plexus, arises from the dorsal divisions of the ventral rami of the second, third, and fourth lumbar nerves...
; it is separated by the iliopectineal arch
Iliopectineal arch
The Iliopectineal arch is a thickened band of fused iliac fascia and psoas fascia passing from the posterior aspect of the inguinal ligament anteriorly across the front of the femoral nerve to attach to the iliopubic eminence of the hip bone posteriorly...
from the vascular lacuna
Vascular lacuna
The vascular lacuna is the medial compartment beneath the inguinal ligament, for the passage to the femoral vessels, lymph node, and femoral branch of the genitofemoral nerve. Medial to lateral these are the: Rosenmuller lymph node, femoral vein, femoral artery, and gem oral branch of...
.