Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025
Definition
The pectineal line is a ridge or linear elevation on the superior ramus of the pubic bone that serves as a site of attachment for the pectineus muscle. It plays a crucial role in dividing the pelvic surface from the anterior surface of the pubis.
Related terms
Pectineus Muscle: A flat, quadrilateral muscle situated at the front part of the upper and medial aspect of the thigh, responsible for flexing and rotating the thigh.
Superior Ramus of the Pubic Bone: The part of the pubic bone that extends upwards from the body and contributes to forming part of the acetabulum.
Pelvic Girdle: A ring-like bony structure near the base of the spine, made up of three bones on each side, including the ilium, ischium, and pubis, which collectively support lower limb attachment and movement