Os Ischii (Noun)
Meaning
One of the three sections of the hipbone; situated below the ilium.
Classification
Nouns denoting body parts.
Examples
- The os ischii forms the lower and back part of the hipbone, and is the strongest and thickest part of the pelvis.
- The os ischii is a curved bone that provides attachment points for several muscles, including the gluteus maximus and the hamstring muscles.
- In the adult human, the ilium, ischium, and pubis bones fuse to form a single hipbone, with the os ischii forming the lower section.
- During childbirth, the os ischii can sometimes fracture due to the pressure exerted by the baby's head as it passes through the pelvis.
- The os ischii is an important landmark for surgeons performing hip replacement surgery, as it provides a stable attachment point for the prosthetic joint.