This complex primitive pattern has, however, been simplified to various degrees in the great majority of vertebrates, as bones have either fused or vanished entirely.
The bones of the arm had for the most part fused but fusion had not yet taken place between the radius and ulna, which would be expected to have occurred by the age of twenty-one.
In older adults, age can be estimated to within less than a decade by the degree of symphysis, or the extent to which the pubic bones have fused together.
Pelvic bones fused ... internal burns, well, almost healed.
The bone fuses with the metal.
Paired prootic and opisthotic bones above each fenestra ovalis, fused to the petrous part of the temporal bones in mammals.
It was hunched over, actually bent out of shape, as if its bones were fusing into one single bone.
The idea is to wait until you have a well-developed young athlete and his bones have fused.
If the suture is not present at birth because both frontal bones have fused (craniosynostosis), it will cause a keel-shaped deformity of the skull called "trigonocephaly."
Nor had anyone seen swelling of her head as a child, a condition that results when the nerve ends swell before the bones have fused properly.