Discussion
The ends of bones which ossify from secondary centres of ossification are called :
Answer: A
The bone ends that ossify from secondary centres are the epiphyses.
A long bone ossifies from a primary centre in the shaft (diaphysis) before birth and from secondary centres in its ends (epiphyses) after birth. The epiphyses fuse with the shaft at known ages, which makes them the basis of age estimation from bones and X-rays.
The diaphysis is the shaft formed from the primary centre. The metaphysis is the growing zone of the shaft next to the epiphyseal plate, and the periosteum is the membrane that covers the bone, not a part that ossifies from a centre.
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