Анотація:
Morphology and sources of organ innervation of nasolabial region were studied in certain mammals and a man. It is shown that peculiarities of morphology and topography of the end brushes of trigeminal nerve maxillary portion, which are expressed in the variants of branching of infraorbital nerve are conditioned by the presence and the degree of development of vibrissas, planum nasolabiale, proboscis, frontal tuber and other spe cial facial organs.