[Effects of acetylcholine and histamine on leukocyte and neutrophil numbers in the endometrium of rats in various phases of the estrous cycle (by imprints)].

Administration of the acetylcholine esterase antagonist aminostigmin increased the number of neutrophils in the estrus phase and the number of lymphocytes in the diestrus phase in rats. Histamine decreased both the neutrophils and lymphocytes at all stages of the estrus cycle in the uterus endometrium.