ischia

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.

Essays 2007

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. Various 1891

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 Thomas Henry Huxley 1860

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.

Evidence as to Man's Place in Nature Thomas Henry Huxley 1860

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 Lennox Morrison 2011

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 Joseph Maclise

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 1918

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 1918

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

II. Osteology. 6c. 2. The Pelvis 1918

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

Text Book of Biology, Part 1: Vertebrata 1906