Obturator canal
obturator canal n.
An opening through which the obturator nerve and vessels pass from the pelvic cavity into the thigh.
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- Obturator crest
obturator crest n. A ridge that extends from the pubic tubercle to the acetabular notch, giving attachment to the pubofemoral ligament of the hip joint.
- Obturator foramen
obturator foramen n. A large oval or irregularly triangular aperture in the hipbone.
- Obturator hernia
obturator hernia n. A hernia through the obturator foramen.
- Obturator nerve
obturator nerve n. A nerve that arises from the second, third, and fourth lumbar nerves in the psoas muscle, enters the thigh through the obturator canal, and supplies the muscles and skin on the medial side of the thigh.
- Obturator vein
obturator vein n. A vein that is formed by a union of tributaries draining the hip joint and the muscles of the upper and back part of the thigh, enters the pelvis by the obturator canal, and empties into the internal iliac vein.