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May 6, 1950

The Mammalian Adrenal Gland

JAMA. 1950;143(1):147. doi:10.1001/jama.1950.02910360149037

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The comparative anatomy of the adrenal gland has been the subject of numerous studies beginning with that of Meckel in 1805. In this beautifully written and printed and well organized monograph are collected the descriptions of more than 250 species of mammals from the literature as well as from the author's personal studies. In our present state of knowledge, however, the comparative anatomy of the adrenals must remain purely descriptive, and one can infer little of physiologic or clinical significance from the mass of extant data. The existence of medullary chromaphil tissue surrounded by the adrenal cortex is as characteristic for mammals as is the existence of hair and nails. This remarkable constancy is much more striking than the variations in structure and position noted in the various subclasses of mammals.

This is an excellent summary, which the student of adrenals will find of interest. The book includes a good

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