femur
thigh bone or the third segment of an insect leg from the proximal (near) end
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby ...
Femur head
The hemispheric articular surface at the upper extremity of the thigh bone.
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The femur (Figs. 244, 245), the longest and strongest bone in the skeleton, is almost perfectly cylindrical in the greater part of its extent.
Femur the thigh bone
(femur = thigh)
Fermentation anaerobic conversion of glucose to some waste product‚ including glycolysis plus steps to regenerate NAD+
(fermentum = leaven‚ yeast) ...
femur Podomere of an insect or acarine leg fixed to the trochanter proximally and articulating with the tibia distally in insects and with the patella in acarines.
femur
medial femoral circumflex artery, iliolumbar artery
femoral nerve, lumbar nerves ...
The spongy bone of the femur, humerus, and sternum contains red marrow, in which stem cells reproduce and form the cellular components of the blood and immune system. Yellow marrow, at the center of these bones, is used to store fats.
Hominids, the lineage leading to humans, had changes in the shape and size of their pelvis, femur, and knees that allowed bipedalism (walking on two legs).
Structure
The diagram below depicts the structure of a typical long bone such as the femur.
It's hind limb has a short femur and a slightly shorter fibula and tibia. It has no thumb and a greatly reduced second digit. The other three fingers are quite long (relatively). In short, another variation of the basic mammalian leg.
 See also: Human, Class, Trans, Bone, Joint
  
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