ischium
Americannoun
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ischia
plural
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the lower portion of either innominate bone.
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either of the bones on which the body rests when sitting.
noun
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ischia
plural
Usage
What is ischial tuberosity? Ischial tuberosity is the name for the part of the pelvis that supports a person while sitting. How to pronounce ischial tuberosity[ is-kee-uhl too-buh-ros-i-tee ]
Other Word Forms
Derived Forms
Inflected Forms
Nouns
Etymology
Origin of ischium
1640–50; < Latin < Greek ischíon hip-joint
Vocabulary lists containing ischium
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.
See Examples For:
Its ischium, a pelvic bone, has a strong kink in it, compared to the more banana-like ischium from other fossils.
From Science Magazine ● Jun. 20, 2024
In adults, the hip bones, or coxal bones, are formed by the fusion of three pairs of bones: the ilium, ischium, and pubis.
From Textbooks ● Jun. 9, 2022
The hip bone consists of three regions: the ilium, ischium, and pubis.
From Textbooks ● Jun. 19, 2013
The ilium forms the large, fan-shaped superior portion, the ischium forms the posteroinferior portion, and the pubis forms the anteromedial portion.
From Textbooks ● Jun. 19, 2013
Some follow the Amphibian nomenclature, and unite the ischium and pubis into one bone, which is then termed ischium, when the prepubis is termed the pubis, and regarded as removed from the acetabulum.
From Dragons of the Air An Account of Extinct Flying Reptiles by H. G. Seeley
The ailment results when friction causes inflammation of the bursae, or small, fluid-filled sacs, in places where tendons pass over the ischia, or hipbones.
From Time Magazine Archive
The ischia of leprieurii, taurinus, and verrucigerus are moderately expanded; that of buckleyi is somewhat less expanded dorsally.
From A Synopsis of Neotropical Hylid Frogs, Genus Osteocephalus by William E. Duellman
These relations are evidently of importance with regard to shape, since the iliac crests and the ischia are noticeable beneath the skin.
From Artistic Anatomy of Animals by ?douard Cuyer
In connection with the leaping habit, the ilia are greatly elongated, and the pubes and ischia much reduced.
From Text Book of Biology, Part 1: Vertebrata by H. G. (Herbert George) Wells
On the skeleton of the horse in the École des Beaux-Arts, the distance which separates the tuberosities of the ischia is 225 millimetres; that between the two spines of each iliac bone is 25 centimetres.
From Artistic Anatomy of Animals by ?douard Cuyer
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.
