[Postnatal growth of the nasal cavity].

The postnatal growth of the nasal bones, the piriform aperture, the choanae, the anterior and posterior nasal spine, and the floor of the nasal cavity were investigated. The development of weight and width of the nasal cavity as much as some results of the postnatal development of the inferior and medical conchae are connected with out investigations. Moreover the increase of the distance between Nasospinale and the sphenoidal sinus aperture and also the development of height and width of the nasal crista of the palatine bone were determined.