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Histochemical studies of the liver of the rat during embryonic development

✍ Scribed by Dumm, Mary E.

Publisher
Wiley (John Wiley & Sons)
Year
1943
Tongue
English
Weight
658 KB
Volume
21
Category
Article
ISSN
0095-9898

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✦ Synopsis

The subject of the present investigation is a histochemical description of the liver of the rat fetus and of the infant rat. The point of view from which this study was undertaken is that the inorganic composition of a tissue may be used to provide information regarding changes which occur in the morphological phases of a tissue, and in some instances, to calculate the concentrations of specific constituents in a single phase (Hastings, '40). This assumption has frequently been employed in investigations of adult tissues (Hastings, '40 ; Manery and Hastings, '39; Truax, '39), and within limits, its validity in muscle, liver, and heart is well established. Similar studies on tissues of very young and rapidly growing t-inimals are less numerous. There are none available on the rat liver during its embryonic development.

Histochemical investigations of adult liver have led to the following tentative conclusions (M anery and Hastings, '39 ; Truax, '39). The 57

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