ABSTRACT
The purpose of the experiments described in this paper was to distinguish between mechanical (hydrostatic) and chemical influences upon normal or compensatory growth of the pronephros in the larval axolotl (Harrison stages 24–26).
Measurements were made on pronephroi and pronephric grafts from the following groups: (a) control specimens with undisturbed pronephroi; (b) specimens with paired undisturbed pronephroi and grafts; (c) specimens unilaterally pronephrectomized; (d) specimens unilaterally pronephrectomized and containing grafts.
Analysis of the measurements shows that hydrostatic pressure within pronephric tubules is the main factor responsible for maintaining size and shape in both normal and compensatory growth.
Copyright © 1960 by Company of Biologists
1960
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