Femoral ring

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Femoral ring
The relations of the femoral and abdominal inguinal rings, seen from within the abdomen. Right side. (Femoral ring visible at center.)
Structures passing behind the inguinal ligament. (Femoral ring labeled at top, second from the right.)
Latin	anulus femoralis
Gray's	subject #157 625
Dorlands/Elsevier	a_50/12143696

The femoral ring is the base of the femoral canal. It is directed upward and is oval in form, its long diameter being directed transversely and measuring about 1.25 cm.

Boundaries

The femoral ring is bounded as follows:

• in front by the inguinal ligament
• behind by the Pectineus covered by the pectineal fascia
• medially by the crescentic base of the lacunar ligament
• laterally by the fibrous septum on the medial side of the femoral vein

Additional images

Front of abdomen, showing surface markings for arteries and inguinal canal.

External links

• -489684915 at GPnotebook
• Norman/Georgetown antthigh

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 As such, some of the information contained herein may be outdated.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.

v • d • e General anatomy of lower limbs
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/fascia lata (Iliotibial tract, Lateral intermuscular septum of thigh, Medial intermuscular septum of thigh, Fascia cribrosa/Saphenous opening)
Crus (anatomic leg)	Popliteal fossa • Calf • Shin • Pes anserinus • Interosseous membrane of the leg Fascial compartments of leg (Anterior, Lateral, Posterior) fascia/crural fascia (Anterior crural intermuscular septum, Posterior crural intermuscular septum, Transverse intermuscular septum)
Foot	Heel • Toe (Hallux, Fifth toe) • Sole • Achilles tendon • Tarsal tunnel fascia (Plantar fascia) retinacula (Peroneal, Inferior extensor, Superior extensor, Flexor)