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Life Sciences

University of the Pacific

1979

Bullfrog

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Changes In Gall Bladder Bile Throughout Development In Rana Catesbeiana, Stanley G. Carson Jan 1979

Changes In Gall Bladder Bile Throughout Development In Rana Catesbeiana, Stanley G. Carson

University of the Pacific Theses and Dissertations

The present study of Rana catesbeinana includes an analysis of the following throughout the course of post-embryonic development: the change in GI tract length and weight; the relative surfactant activity of the bile; the change in major bile pigments. The most rapid and profound morphological and physiological transitions occur during the period of metamorphic climax. Because no information relative to change in anurans is available during this period, particular emphasis is placed upon the examination of individuals during metamorphic climax.