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 posterior margin of the ischium has the shallow lesser sciatic notch and the ischial spine, which separates the greater and lesser sciatic notches.
From Textbooks ● Jun. 19, 2013
The three areas of each hip bone, the ilium, pubis, and ischium, converge centrally to form a deep, cup-shaped cavity called the acetabulum.
From Textbooks ● Jun. 19, 2013
Operation.—A line drawn from the centre of the space between the tuberosity of the ischium or the great trochanter to a corresponding point between the condyles of the femur will give the direction.
From A Manual of the Operations of Surgery For the Use of Senior Students, House Surgeons, and Junior Practitioners by Joseph Bell
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
The anterior region of the crupper is thus much broader than that occupied by the ischia.
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.
