Abstract
Using various staining techniques and methods, the following cells were differentiated from pars distalis of the pituitary gland in the mouse: corticotropic, somatotropic, lactotropic, thyrotropic and gonadotropic cells.
Diurnal activity of the differentiated cells in pars distalis of the pituitary gland was determined by the method of karyometry.
The karyometric analysis showed the existence of a distinct diurnal rhythm in nuclear volume in all five types of the differentiated cells in both sexes.
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Teacher Training College, Department of Animal Physiology, Podbrzezie 3, Krakow, Poland, Head: Prof. dr. hab. H. Lach.
The paper was supported by scientific program R‐III‐14 coordinated by the Jagiellonian University, Cracov, Poland.