Adult male platypuses have venomous spurs on their ankles. Through this spur, they can deliver a poison strong enough to kill a small dog, and to cause almost paralysing agony to an adult human. Platypus venom contains a protein which lowers blood pressure, inducing shock.
The heel of a fetal pig is located on the hind limb. In addition, the hip, knee, ankle, and digits are located on the hind limb.
mammal
The average hind-limb length of each island's lizard population change form that of the original population because of adaptation.
The first, or preaxial, digit of the fore limb, corresponding to the hallux in the hind limb; the thumb. In birds, the pollex is the joint which bears the bastard wing.
hind limb: a posterior appendage such as a leg or the homologous structure in other animals.
The digital formula for the hind leg of frog is 22343
Saphenous
A pig's heel is suspended near the top third of their hind legs. They are the bony protrusions on the back of the hind legs that "bow" outward.
Ligaments ---- The sets of bones in vertebrates like us are: in the fore limb (arm), the humerus, radius and ulna. In the hind limb (leg) are the femur, tibia and fibula.
The upper arm of any mammal is made of one bone, the Humerus.
Atavistic structures are structures that appear on a living thing, but are not normal for its species. One of those would be a whale born with hind legs. Another would be a human born with a short tail-like structure.
It is located at the base of the spine (properly known as the caudal end). The pelvis incorporates the socket portion of the hip joint for each leg (in bipeds) or hind leg (in quadrupeds). It forms the lower limb (or hind-limb) girdle of the skeleton.