Pelvic or Hip Girdle:
Pelvic girdle is an irregular trough-shaped, supporting bone. It occurs between the hind limbs and the axial skeleton. The pelvic girdle is attached posterior to sacrum. The sacrum and coccyx form the basin-shaped pelvis.
The pelvic girdle consists of two coxal bones. The two halves of pelvic girdle meet ventrally to form a pubic symphysis. The pubic symphysis contain the fibrous cartilage. Each coxal bone is formed of three bones i.e., upper ilium, inner pubis and ischium below the pubis. These three bones fuse to form the hip bone. The point where these three bones meet, a cup-shaped hollow cavity is present called acetabulum. The thigh bone or femur articulates with the acetabulum.
Functions of the Pelvic Girdle:
1. The two pelvic girdle joins to form a wider hollow space called pelvis. The pelvis supports and protects the abdominal visceral structures.
2. It is the site for the attachment of leg muscles.
3. It is the site for the attachment of hind limb bones.
4. It provides strength to the sacral region.
5. It transfers weight of whole body on the hind limbs.
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