Femur.
The long narrow bone in the lower part of your leg is called the fibula.
The fibula is a long and slender bone located in the lower leg, beside the tibia. It is classified as a type of long bone. The fibula mainly serves as a support for the leg muscles and has a minor role in weight-bearing compared to the tibia.
It is part of the femur which is the long bone in the leg.
Short bone: Carpal bones in the wrist Long bone: Femur in the leg Irregular bone: Sternum in the chest Flat bone: Cranium in the skull
Fibula
tibia
It is part of the femur which is the long bone in the leg.
Leg bone
The Femur Bone is the long bone in the upper leg. It is the largest bone in your body.
long bone
In this case, leg is the proper term for the collective. The thigh bone is called a femur bone. The knee bone is the patella. The leg bones are the tibia (front bone) and the fibula (smaller rear bone). The muscles are hamstrings, adductors, quadricepts, gastrocnemius, soleus, and tibialis anterior.
Femur (thigh bone)Fibula (the smaller lower leg bone)Tibia (larger lower leg bone)