Obturator foramen
Obturator Foramen
The Obturator Foramen (pronounced: ob-too-ray-tor for-uh-men) is a large opening created by the ischium and pubis bones of the pelvis in humans and many other animals.
Etymology
The term "Obturator Foramen" is derived from the Latin word "obturare" which means to close or obstruct. This is in reference to the function of the obturator membrane, which largely closes this foramen.
Anatomy
The Obturator Foramen is the largest foramen in the human body. It is covered by a thin, connective tissue known as the Obturator Membrane. This membrane allows for the passage of small nerves and vessels. The foramen is situated in the anteroinferior part of the hip bone and is oval in shape.
Function
The Obturator Foramen serves as a passageway for important blood vessels and nerves, including the Obturator Artery, Obturator Vein, and Obturator Nerve. These structures are critical for supplying the lower limbs.
Related Terms
- Obturator Membrane: A thin, connective tissue that covers the Obturator Foramen.
- Obturator Artery: An artery that passes through the Obturator Foramen to supply blood to the lower limbs.
- Obturator Vein: A vein that passes through the Obturator Foramen to drain blood from the lower limbs.
- Obturator Nerve: A nerve that passes through the Obturator Foramen to supply the adductor muscles of the thigh.
See Also
External links
- Medical encyclopedia article on Obturator foramen
- Wikipedia's article - Obturator foramen
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