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・ Obterre
・ Obtest
・ Obthorpe
・ Obtortionidae
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・ Obtshak
・ Obtundation
・ Obturating ring
・ Obturation
・ Obturator
・ Obturator artery
・ Obturator canal
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・ Obturator fascia
Obturator foramen
・ Obturator hernia
・ Obturator internus nerve
・ Obturator membrane
・ Obturator muscles
・ Obturator nerve
・ Obturator process
・ Obturator ring
・ Obturator sign
・ Obturator veins
・ Obturator vessels
・ Obtuscampa
・ Obtuse
・ Obtuse barracuda
・ Obtusella


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Obturator foramen : ウィキペディア英語版
Obturator foramen

The obturator foramen (Latin foramen obturatum) is the large opening created by the ischium and pubis bones of the pelvis through which nerves and blood vessels pass.
==Structure ==
It is bounded by a thin, uneven margin, to which a strong membrane is attached, and presents, superiorly, a deep groove, the obturator groove, which runs from the pelvis obliquely medialward and downward.
This groove is converted into the obturator canal by a ligamentous band, a specialized part of the obturator membrane, attached to two tubercles:
* one, the posterior obturator tubercle, on the medial border of the ischium, just in front of the acetabular notch
* the other, the anterior obturator tubercle, on the obturator crest of the superior ramus of the pubis

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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