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Obturator membrane
From Wikipedia, the free encyclopedia
| Obturator membrane | |
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| The obturator membrane. | |
| Latin | m. obturatoria |
| Gray's | subject #128 476 |
| Dorlands/Elsevier | m_08/12522134 |
The obturator membrane is a thin fibrous sheet, which almost completely closes the obturator foramen.
Its fibers are arranged in interlacing bundles mainly transverse in direction; the uppermost bundle is attached to the obturator tubercles and completes the obturator canal for the passage of the obturator vessels and nerve.
The membrane is attached to the sharp margin of the obturator foramen except at its lower lateral angle, where it is fixed to the pelvic surface of the inferior ramus of the ischium, i. e., within the margin.
Both obturator muscles are connected with this membrane.
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.
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| Buttocks | Gluteal sulcus - Gluteal cleft |
| Thigh | Fascial compartments of thigh (Anterior, Medial, Posterior)
Inguinal ligament • Pectineal ligament • Lacunar ligament • Reflected inguinal ligament • Conjoint tendon • Interfoveolar ligament Obturator membrane/Obturator canal Femoral triangle • Femoral sheath (Femoral canal) • Femoral ring Adductor canal • Adductor hiatus fascia (Iliotibial tract, Fascia lata, Fascia cribrosa) |
| Cnemis (anatomic leg) | |
| Foot |
Heel • Toe (Hallux, Fifth toe) • Sole • Achilles tendon • Tarsal tunnel • Retinacula (Peroneal, Inferior extensor, Superior extensor) • fascia (Plantar fascia) |