obturator canal


Also found in: Dictionary, Thesaurus, Legal, Encyclopedia, Wikipedia.
Related to obturator canal: obturator foramen, obturator nerve

ob·tu·ra·tor ca·nal

[TA]
passage through the obturator foramen via an opening in the superior part of the obturator membrane through which the obturator nerve and vessels pass from the pelvic cavity into the thigh.
Synonym(s): canalis obturatorius [TA]

obturator canal

a passageway between the pelvic cavity and the adductor region of the thigh formed in the superior aspect of the obturator foramen between bone, a connective tissue membrane, and muscles that fill the foramen. The upper margin of the canal is marked by the obturator groove.

ob·tu·ra·tor ca·nal

(ob'tŭr-ā-tŏr kă-nal') [TA]
The opening in the superior part of the obturator membrane through which the obturator nerve and vessels pass from the pelvic cavity into the thigh.
Synonym(s): canalis obturatorius [TA] .

obturator canal

An opening in the obturator membrane of the hip bone that transmits the obturator vessels and nerve.
See also: canal
References in periodicals archive ?
The superior wall of the obturator canal is formed by the floor of the obturator groove.
The contents of the obturator canal include: i) superomedially, nerve to obturator externus muscle, and obturator artery, ii) inferomedially, obturator vein, and iii) superolaterally, anterior and posterior divisions of the obturator nerve, which lay within the obturator groove.
Within the obturator canal, the posterior division of the obturator nerve is bound superiorly by the anterior division of the nerve, and inferiorly by the obturator artery and the nerve to obturator externus muscle.
3) With the nickname of 'little old lady's hernia', it usually occurs in multiparous and emaciated women due to wide pelvis and enlarged obturator canal.