Linea aspera
Linea Aspera
Linea Aspera (pronunciation: /ˈliːniə ˈæspərə/) 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.
Etymology
The term "Linea Aspera" is derived from Latin, where "Linea" means line and "Aspera" means rough. This term is used in anatomy to describe the rough line found on the posterior aspect of the Femur.
Description
The Linea Aspera is a ridge of roughened surface on the posterior aspect of the Femur, to which are attached muscles and intermuscular septum. Its lips serve for the attachment of a vast number of muscles. From its medial lip, the Vastus Medialis takes origin. From its lateral lip, the Vastus Lateralis arises. The intermediate ridge or line is connected with the Adductor Magnus.
Related Terms
- Femur: The thigh bone, which is the longest bone in the human body. The Linea Aspera is located on the posterior aspect of the femur.
- Vastus Medialis: A muscle located in the thigh, which extends the leg at the knee. It originates from the medial lip of the Linea Aspera.
- Vastus Lateralis: A muscle located in the thigh, which also extends the leg at the knee. It originates from the lateral lip of the Linea Aspera.
- Adductor Magnus: A large muscle in the thigh that is attached to the Linea Aspera.
External links
- Medical encyclopedia article on Linea aspera
- Wikipedia's article - Linea aspera
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