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Quarterly Journal of Microscopical Science, Vol s3-100, 463-482, Copyright © 1959 by Company of Biologists

Some Observations on the Cytology of the Adenohypophysis of the Non-parous Female Rabbit

M. ALLANSON 1, C. L. FOSTER 2, and G. MENZIES 3

1 Department of Biology, Royal Free Hospital School of Medicine, London, W.C. 2
2 Department of Biology, St. Mary's Hospital Medical School, London, W. 2
3 Department of Anatomy, St. Mary's Hospital Medical School, London, W. 2

Evidence is presented which suggests that in this animal the pars tuberalis may have some function in addition to acting as a bed for the hypophysial portal system, since its cells appear rich in RNA.

The granules of the cells of the pars intermedia are shown to be PAS-positive, but this reaction, unlike that of the basiphil cells of the pars distalis proper and the zona tuberalis, is readily prevented by pretreatment of sections with proteolytic enzymes.

A study of the basiphil cells of the pars distalis proper and of the zona tuberalis, based on cytological characteristics, size, and shape, provides some evidence for the existence of two, and possibly three, kinds of basiphil cell.

The lipid inclusions of the adenohypophysial cells and their relationship to the Golgi elements are described, together with some brief preliminary observations upon the electron microscopic characteristics of acidophil and basiphil cells.






© The Company of Biologists Ltd 1959