Linea quadrata

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Bone: Linea quadrata

Upper extremity of right femur viewed from behind and above.
Gray's	subject #59 246
Dorlands / Elsevier	l_10/12495639

A slight ridge is sometimes seen commencing about the middle of the intertrochanteric crest, and reaching vertically downward for about 5 cm. along the back part of the body: it is called the linea quadrata (or quadrate line), and gives attachment to the Quadratus femoris and a few fibers of the Adductor magnus.

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

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Bones of lower limbs

Femur

head of femur (fovea capitis femoris) · neck of femur · greater trochanter · trochanteric fossa · lesser trochanter · tubercle of the femur · intertrochanteric line · intertrochanteric crest · linea quadrata

body (linea aspera, third trochanter, pectineal line, adductor tubercle)

lower extremity (lateral condyle, medial condyle, lateral epicondyle, medial epicondyle, patellar surface)

Tibia

upper extremity	medial condyle · lateral condyle · intercondyloid eminence · tuberosity of the tibia · posterior intercondyloid fossa · anterior intercondyloid fossa
body	soleal line
lower extremity	medial malleolus