The linea aspera (L. rough line) is a ridge of roughened surface on the posterior aspect of the femur, to which are attached muscles and intermuscular septum.
Its margins diverge above and below.
The linea aspera is a prominent longitudinal ridge or crest, on the middle third of the bone, presenting a medial and a lateral lip, and a narrow rough, intermediate line. It is an important insertion point for the adductors and the intermuscular septa t...
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Linea aspera
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