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Chondrocranium development begins with growth of the caudal (occipital) chondrocranium, followed by rostral chondrogenesis which forms the nasal capsule. These two elements then fuse via the midline central stem and the lateral struts of the vault cartilages.
Morphogenesis of the chondrocranium occurs between E11-E16 in the mouse and begins with the appearance of the parachordal cartilage.