I think the answer you're looking for is the head.Or it could be the condyles.
Epiphyseal means pertaining to the rounded end of a long bone.
Periosteal means related or pertaining to the periosteum. The periosteum is the fibrous covering of long bones.
A smooth rounded end of the bone is called a condyle.
Condyle
CONDYLE
Patella
The epiphysis is the rounded end of a long bone.
A rounded prominence at the end of a bone, most often for articulation with another bone.
Most bone ends are rounded.
The epiphysis is the rounded end of a long bone, at its joint with adjacent bone.
Epiphyses is the word used for the distal and proximal ends of long bones. The epiphysis contains red bone marrow.
malleus,ear bone
what is a large smooth ball shaped processd on the end of a long bone called
A rounded opeing through a bone is called a foramen.