obturator
Americannoun
plural
obturators-
Anatomy. either of the muscles, external and internal, covering the opening (obturator foramen) in the pelvis, formed by the pubis and ischium.
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any of various devices used in surgery and dentistry to close or fill openings in the body, especially a prosthetic device used to close a gap in the palate.
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Ordnance. a device, such as a cap or pad, to seal the breech of a gun during firing so as to prevent gas from escaping.
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Botany. a tissue growth that closes an opening, such as one found in the ovary of some plants near the micropyle of an ovule.
Other Word Forms
- transobturator adjective
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The Lumbar plexus includes four nerves located in the upper and mid leg: The obturator, the femoral, muscular branches of the femoral, and the saphenous.
From Textbooks • Jan. 1, 2015
Deep to the gluteus maximus, the piriformis, obturator internus, obturator externus, superior gemellus, inferior gemellus, and quadratus femoris laterally rotate the femur at the hip.
From Textbooks • Jun. 19, 2013
The lateral rotators of the femur at the hip are the piriformis, obturator internus, obturator externus, superior gemellus, inferior gemellus, and quadratus femoris.
From Textbooks • Jun. 19, 2013
The large anterior opening is the obturator foramen.
From Textbooks • Jun. 19, 2013
Many curious forms of obturator or artificial palate are employed to remedy congenital defects.
From Anomalies and Curiosities of Medicine by Pyle, Walter L. (Walter Lytle)
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.