page_title: Linea aspera
hierarchical_section_title: Linea aspera
caption_attribution_description: Right femur, posterior surface.
context_page_description: The linea aspera is a ridge of roughened surface on the posterior surface of the shaft 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 lateral and medial intermuscular septa that divides the thigh into three compartments. The tension generated by muscle attached to the bones is responsible for the formation of the ridges.
context_section_description: The linea aspera (Latin: rough line) is a ridge of roughened surface on the posterior surface of the shaft 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 lateral and medial intermuscular septa that divides the thigh into three compartments. The tension generated by muscle attached to the bones is responsible for the formation of the ridges.
caption: Right femur. Posterior surface. (Linea aspera not labeled, but region is visible. Medial lip is at left; lateral lip is at right.)
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