In a fracture that is rigidly immobilized the fracture heals by the process of intramembranous ossification.
2.
Like meningocoele, meningohydroencephalocoele is caused by defects in bone ossification; in particular, the intramembranous ossification related to the closure of infantile fontanelles.
3.
"' Intramembranous ossification "'mainly occurs during formation of the flat bones of the skull but also the mandible, maxilla, and clavicles; the bone is formed from connective tissue such as mesenchyme tissue rather than from cartilage.