obturator : Idioms & Phrases
Obturator foramen
(Anat.) , an opening situated between the public and ischial parts of the innominate bone and closed by the obturator membrane; the thyroid foramen.
Webster 1913
obturator vein
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noun a vein formed by the union of tributaries that drain the hip joints and thigh muscles; empties into the internal iliac vein
vena obturatoria.