Abstract
By means of counting circ, eosino-and basophiles per 1mm3 blood of healthy adults, the daily and yearly rhythmic alternation between these cell groups were found.
Eosino-and basophiles increase relatively at night and decrease in daytime. These cell groups also increase relatively in warm season and reach to highest in Aug. On the contrary, these cells decrease gradually in cold season and reach to lowest in Feb. Numbers of both leucocyte groups and total leucocytes show just opposite alternation daily and yearly.
These alternations are possible under the control of thalamo-pituitary-adrenocortical system.
