Pelvic bones

Pelvic Bones

The pelvic bones are a set of two bones, the innominate bone and the sacrum, that form the pelvis. These bones are crucial for various functions in the human body, including supporting the spine, providing a foundation for the muscular system, and protecting internal organs.

Structure

The pelvic bones consist of three parts: the ilium, the ischium, and the pubis. These three bones fuse together during adolescence to form a single, solid bone. The ilium is the largest and most superior part of the pelvic bone, the ischium is the lower and stronger part, and the pubis is the anterior part of the bone.

Function

The primary function of the pelvic bones is to support the weight of the upper body when sitting and to transfer this weight to the lower limbs when standing. They also serve as a protective casing for the pelvic organs, including the bladder, rectum, and in women, the uterus.

Clinical significance

Injuries to the pelvic bones can be serious and potentially life-threatening due to the proximity of major blood vessels and organs. Common causes of pelvic bone injuries include car accidents, falls, and sports injuries. Conditions such as osteoporosis can also affect the health and strength of the pelvic bones.

See also

• Hip bone
• Pelvic girdle
• Pelvic fracture

References

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