Pubic arch

Pubic Arch

The Pubic Arch, also known as the Ischiopubic Arch, is a distinctive feature of the pelvis that plays a crucial role in human anatomy. It is formed by the convergence of the inferior ramus of the ischium and the inferior ramus of the pubis on either side, in front of the body.

Etymology

The term "Pubic Arch" is derived from the Latin word "pubis" which means "of the pubes", and the Greek word "arch" which means "chief" or "principal". The term "Ischiopubic" is a combination of "ischium", a part of the hip bone, and "pubis".

Anatomy

The Pubic Arch forms the base of the pelvis, and its angle, known as the subpubic angle or pubic angle, helps in determining the sex of a skeleton. In males, the angle is typically around 50-60 degrees, while in females it is usually wider, around 80-85 degrees, to accommodate childbirth.

Clinical Significance

The Pubic Arch is an important landmark in various surgical procedures, including prostatectomy and pelvic exenteration. It is also significant in the context of obstetrics, as a narrow Pubic Arch can cause difficulties during childbirth.

Related Terms

• Inferior ramus of the ischium
• Inferior ramus of the pubis
• Pelvis
• Prostatectomy
• Pelvic exenteration
• Obstetrics

See Also

• Pelvic bone
• Pelvic floor
• Pelvic girdle
• Pelvic cavity

Pubic arch Resources
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