Medical Definition of Trochanter
Trochanter: One of the bony prominences toward the near end of the thighbone (the femur). There are two trochanters:
The trochanters are points at which hip and thigh muscles attach. The greater trochanter gives attachment to a number of muscles (including the gluteus medius and minimus, piriformis, obturator internus and externus, and gemelli muscles), and the lesser trochanter receives the insertion of several muscles (including the psoas major and iliacus muscles).
Last Editorial Review: 5/13/2016
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