The sit bones are literally what you sit on.
The Coxal bone is another name for the hip bone. The coxal bone is also called the innominate bone, and consists of three bones that, in the adult, are fused together. The three bones are called the ilium, ischium, and pubis.
Another name for bone formation is ossification.
Another name for your back bone is a spine.
Spine is another word for back bone
long bone
calf bone
If you mean the tailbone, it is called the coccyx.
Cancellous/trabecular bone
hip bone
bone spur
Another name for the fibula is the shin bone.
The Ulna is the common name for: Lower Arm Bone.