pectinate muscle n.
Any of the prominent ridges of atrial myocardium located on the inner surfaces of much of the right atrium and of both auricles.
pectineal pec·tin·e·al (pěk-tĭn’ē-əl) adj.
- Pectineal ligament
pectineal ligament n. A thick, strong fibrous band that passes laterally from the lacunar ligament along the pectineal line of the pubis.
- Pectineal line of pubis
pectineal line of pubis n. The continuation on the superior pubic ramus of the terminal line, forming a sharp ridge.
- Pectineal muscle
pectineal muscle n. A muscle with origin from the crest of the pubis, with insertion into the pectineal line of the femur, with nerve supply from the obturator and femoral nerves, and whose action adducts the thigh and assists in flexion.