Cavidad pelviana - Cavitas pelvis
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The pelvis, so called from its resemblance to a basin, is a bony ring, interposed between the movable vertebræ of the vertebral column which it supports, and the lower limbs upon which it rests; it is stronger and more massively constructed than the wall of the cranial or thoracic cavities, and is composed of four bones: the two hip bones laterally and in front and the sacrum and coccyx behind.
The pelvis is divided by an oblique plane passing through the prominence of the sacrum, the arcuate and pectineal lines, and the upper margin of the symphysis pubis, into the greater and the lesser pelvis. The circumference of this plane is termed the linea terminalisor pelvic brim.
This definition incorporates text from a public domain edition of Gray's Anatomy (20th U.S. edition of Gray's Anatomy of the Human Body, published in 1918 – from http://www.bartleby.com/107/).
Anatomia general > Huesos; Sistema esquelético > Esqueleto apendicular > Huesos de los miembros inferiores > Pelvis > Cavidad pelviana