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Pectineus

Other Terms: Musculus pectineus, Muscle pectiné

Muscle parts

None

Latin name

Musculus pectineus

Latin muscle parts

None

Group

Thigh muscle – medial compartment

Etymology

This muscle’s name in English is the comb muscle. The word pectineus comes from the Latin pecten, which translates as “comb.” Os pecten was originally the name given to the bone now referred to as the pubic bone. The prong-like nature of this bone resembled an ancient comb. Since this muscle attached to the comb-bone it became the comb-muscle.

Origin

Pectineal line of the pubis and the bone just anterior to this line

Insertion

Pectineal line of the femur

Action

Adduction and flexion of the hip joint.

Nerve supply

Femoral nerve (L2 and L3); Accessory obturator nerve (L3) (variable, not always present)

Blood supply

From proximal to distal, the muscle is supplied by the obturator artery, the medial circumflex femoral and deep external pudendal branches of the femoral artery, the first perforating branch of the deep femoral artery, and from small direct branches from the femoral artery.

Latin

Musculus pectineus

French

Muscle pectiné

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