Which is the correct breakdown and translation of the medical term craniosynostosis?

Cranio: stands for "cranium"
Syn: means "with"
ost: means "bone"
osis: means "abnormality"
It means an abnormality of the fusion of the cranium bone

Craniosynostosis consists of the premature fusion of one or more cranial sutures, resulting in an abnormal form of the skull.
They are characterized by a skull deformation with abnormalities of the face and often members. Children with this disease may also have varying degrees of developmental delay because of the deformation of the brain.

Craniosynostosis is the premature melding of the sutures or the fibrous joints of the skull.  It is a medical condition where the fibrous sutures  in an infant undergoes untimely ossification.

Cranio means the skull. Syn means "as one". Ostosis means a condition relating to bone.

Because they are stupid and insensitive

Active site is where they touch.