[Arterial nerve cells of the base of the brain in the Peking duck].

Neural cell of the arteries in the Peking duck basis cerebri have been studied by means of Koelle's method. Multipolar effector neurocytes 21X26 mcm in their size have been revealed possessing a high acetylcholinesterase activity, as well as bipolar sensitive neural cells of Dogeal' II type 8X10--11X17 mcm in their size possessing a low enzymatic activity. The cells are distributed separately, but more often--in small groups, 3--8 cells in each. Their greatest amount is concentrated in the wall of large arteries--the internal carotid artery and its cranial branch, as well as at the places where the blood vessels branch. Presence of the effector and sensitive neurocytes in the cholinergic neural plexus of the cerebral arteries testifies to a possibility of local reflective arcs existence ensuring a quick response of the cerebral blood vessels to certain changes in the environment.