If you are referring to the red flap of skin under the turkey's beak then that is called a WATTLE.
The wattle is both a mate attraction and a cooling system. Blood pumps through the wattle close to the surface of the skin and ambient air help to displace body heat cooling the bird down. Turkey's do not sweat , they pant in hot weather and they allow cooler air to move over the wattles to help keep them from overheating.
The cooked leg of a turkey is called a drumstick.
The long narrow bone in the lower part of your leg is called the fibula.
Calf (the lower-back part of your leg)
The scientific name for the lower leg is the "crus" or "leg proper."
either calf or shin. whichever.
If it is below the inner thigh, it has to be the lower leg and if about the knee is the thigh, itself. There is no name for what you described.
The body part right above your heel is called the ankle. It is where the leg and foot meet, connecting the lower leg to the foot.
the upper legs of a frog have less power than the back legs and they are different in lenth.
This muscle is found in the lower part of the leg
Erythema Nodosom
Shin
Lower Limb