LINEA ASPERA Meaning and
Definition
-
The term "linea aspera" refers to a prominent ridge or line present on the posterior surface of the femur bone, the largest bone in the human thigh. The term originates from Latin, where "linea" means "line" or "ridge," and "aspera" means "rough" or "uneven."
Anatomically, the linea aspera is a long, bumpy ridge that runs vertically down the middle of the posterior femur, extending from the lesser trochanter to the lateral epicondyle. It serves as an attachment site for several important muscles of the thigh, including the adductor group and the muscles that make up the hamstring group.
The linea aspera acts as a site for muscle attachment due to its rough texture, providing a secure anchor for tendons and fascia. The adductor muscles, responsible for bringing the thigh towards the midline of the body, attach to the linea aspera on the medial side. On the other hand, the hamstring muscles, involved in knee flexion and hip extension, attach to the linea aspera on the lateral side.
Understanding the structure and location of the linea aspera is crucial in the study of human anatomy, as it helps to explain the biomechanics of thigh movements. Additionally, the linea aspera is frequently referenced in medical discussions related to fractures or surgical procedures involving the femur bone.
-
Rough line, a rough ridge with two pronounced lips running down the posterior surface of the shaft of the femur; the outer lip (labium laterale) is a continuation of the crista glutea, the inner lip (labium mediale) of the linea spiralis; it affords attachment to the vastus internus, adductor longus, adductor magnus, adductor brevis, the short head of the biceps, and the vastus externus muscles.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for LINEA ASPERA
- kinea aspera
- pinea aspera
- oinea aspera
- lunea aspera
- ljnea aspera
- lknea aspera
- lonea aspera
- l9nea aspera
- l8nea aspera
- libea aspera
- limea aspera
- lijea aspera
- lihea aspera
- linwa aspera
- linsa aspera
- linda aspera
- linra aspera
- lin4a aspera
- lin3a aspera
- linez aspera
Etymology of LINEA ASPERA
The term "linea aspera" comes from Latin. "Linea" translates to "line", and "aspera" means "rough" or "rugged". The combination "linea aspera" directly translates to "rough line" or "rough ridge" in English. The term is predominantly used in anatomy to refer to the ridge-like structure on the posterior surface of the femur bone.
Infographic
Add the infographic to your website:
