caput femoris

head of fe·mur

the hemispheric articular surface at the upper extremity of the thigh bone.
Farlex Partner Medical Dictionary © Farlex 2012
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Fem: latero-medial diameter of mid-shaft of the femur Fet: latero-medial width of proximal femoral end, between lateral surface of trochanter and caput femoris. Fep: antero-posterior width of proximal end, between trochanter and caput femoris.
Later on, magnetic resonance imaging (MRI) of the hip revealed pathological signal changes in her left sacroiliac joint (acute sacroiliitis?) and bilaterally in the caput femoris and an old fracture on the anterior side of her right sacrum.
Therefore an anatomical description of this region is as follows: The head (caput femoris) which is globular, is directed upward, medial ward, and a little forward, the greater part of its convexity being above and in front.