weramental.blogg.se

A common failure of fusion is that of the maxillary processes to the frontonasal process.

These are usually expressed in the newborn in the form of clefts resulting from failures of integrated growth and fusion of these processes. The complexity and duration of this development may lead to a great variety of aberrations. The development of normal face, jaws, and the oral cavity requires the integration of many embryonic processes, most importantly the frontonasal, maxillary, and mandibular processes. Congenital anomalies may occur as heritable conditions or be the result of nongenetic factors, including toxicity and infectious agents.