NEET PG DENTAL EXAM

Detailed explanation-1: -Abstract. The Meckel’s cartilage itself and the mandible are derived from the first branchial arch, and their development depends upon the contribution of the cranial neural crest cells.

Detailed explanation-2: -Meckel’s cartilage forms in the mesoderm of the mandibular process and eventually regresses to form the incus and malleus of the middle ear, the anterior ligament of the malleus and the sphenomandibular ligament.

Detailed explanation-3: -Ossification of Meckel’s cartilage begins at the end of the embryonic period and is completed in the fetal period and the portion that participates in mandibular formation is determined. This segment extends from the mental foramen to near the midline of the mandible.

Detailed explanation-4: -DISCUSSION. Meckel’s cartilage of the first branchial arch gives rise to the malleus and incus and forms the skeleton of the developing mandible.