THE COMPARATIVE CHARACTERISTIC SERATONERGIC NEURONS IN SOME NUCLEUS
OF THE OBLONG BRAIN OF THE RAT
A. E. Kotsyuba,1, * V. M. Chertok,1 E. P. Kotsyuba 2
1 State Medical University and 2 Institute of Marine Biology, Far East Branch of RAS, Vladivostok;
* e-mail: akotc@mail.ru
Immunohistochemistry in Wistar rats identified serotonergic neurons in 8 cores of the medulla oblongata
belonging to the so-called «bulbar vasomotor center». Using morphometry revealed that the proportion of serotonergic
neurons located in the projection of the cores studied ranged from 17 to 26 %, and value of the index rised
to 34—40 % only in the cores of the back seam. Single immunopositive cells that can perform the integrative
function in the regulation of hemodynamics were detected between the cores as well as between the cores and
pathways.
Key words: serotonergic neurons, medulla oblongata, bulbar vasomotor center
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