ExplanationIntermediate
How is the pelvic girdle structured in terms of its bone composition?
The pelvic girdle is composed of two os coxae, each of which contains three fused bones: the ilium, ischium, and pubis.
The pelvic girdle, also known as the pelvis, is formed by two os coxae or hip bones. Each os coxae is made up of three bones that are fused together in adults: the ilium, ischium, and pubis. These bones are united anteriorly by the symphysis pubis and are attached posteriorly to the sacrum of the vertebral column. This structure provides support and is essential for locomotion.
Key points
- Pelvic girdle consists of two os coxae.
- Each os coxae includes three fused bones: ilium, ischium, and pubis.
- The os coxae are united anteriorly by the symphysis pubis.
- The pelvic girdle is attached posteriorly to the sacrum.
- The structure supports locomotion and body weight.
Source:a-photographic-atlas-for-the-anatomy-and-physiology-laboratory-seventh-edition· Skeletal System: Appendicular Portion· p. 39–62
Related questions
a-photographic-atlas-for-the-anatomy-and-physiology-laboratory-seventh-edition
Kent M. Van De Graaff
Seventh EDITION · Morton Publishing Company