Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Plural of ischium.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Plural form of ischium.

Etymologies

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Examples

  • For this is provided with no callosites such as are possessed by many of the lower apes, and even by the Gibbons; and those bones of the pelvis, which are termed the ischia, and which form the solid framework of the surface on which the body rests in the sitting posture, are not expanded like those of the apes which possess callosities, but are more like those of man.

    A Book of Natural History Young Folks' Library Volume XIV.

  • For this is provided with no callosities, such as are possessed by many of the lower apes, and even by the Gibbons; and those bones of the pelvis, which are termed the ischia, and which form the solid framework of the surface on which the body rests in the sitting posture, are not expanded like those of the apes which possess callosities, but are more like those of man.

    Lectures and Essays

  • In three years, I relearned how to walk, stand and sit and discovered the location of my scapulae , ischia and occiput.

    The Serious Art of Gentle Exercise

  • On comparing the course of the pudic arteries with the median line, A A, we find that they are removed from it at a wider interval below than above; and also that where the vessels first enter the perinaeal space, winding around the spines of the ischia, they are much deeper in this situation (on a level with the base of the bladder) than they are when arrived opposite the bulb of the urethra.

    Surgical Anatomy

  • The sciatic notches are wider and shallower, and the spines of the ischia project less inward.

    II. Osteology. 6c. 2. The Pelvis

  • When the ligaments are in situ, the inferior aperture of the pelvis is lozenge-shaped, bounded, in front, by the pubic arcuate ligament and the inferior rami of the pubes and ischia; laterally, by the ischial tuberosities; and behind, by the sacrotuberous ligaments and the tip of the coccyx.

    II. Osteology. 6c. 2. The Pelvis

  • It is bounded behind by the sacrum, coccyx, Piriformes, and the sacrospinous and sacrotuberous ligaments; in front and laterally by the pubes and ischia and Obturatores interni; above it communicates with the abdomen proper; below it is closed by the Levatores ani and Coccygei and the urogenital diaphragm.

    XI. Splanchnology. 2e. The Abdomen

  • The pubes and ischia are fused along the mid-ventral line.

    Text Book of Biology, Part 1: Vertebrata

  • In connection with the leaping habit, the ilia are greatly elongated, and the pubes and ischia much reduced.

    Text Book of Biology, Part 1: Vertebrata

  • It consists of the 5th, 6th, and 8th to 13th cervical vertebrae, 1st to 9th dorsal and 3rd to 19th caudal vertebrae, all the ribs, both coracoids, parts of sacrum and ilia, both ischia and pubes, left femur and astragalus, and part of left fibula.

    Dinosaurs With Special Reference to the American Museum Collections

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