NOTES ON THE DEVELOPMENT OF GORGODERA AMPLICAVA IN THE FINAL HOST
Open Access
- 1 February 1937
- journal article
- research article
- Published by University of Chicago Press in The Biological Bulletin
- Vol. 72 (1) , 80-87
- https://doi.org/10.2307/1537542
Abstract
A developmental phase in the life history of G. amplicava was found in the kidneys of the final host, Rana catesbeiana. A series of worms, ranging from the smallest individuals in the kidneys to the sexually mature forms in the bladder, exhibits a gradually increasing development. In the youngest worms from the kidneys, the genital anlagen, with the exception of the testes, appear as a sac-like mass of cells posterior to the acetabulum. In the next stage, also from the kidneys, the mass has branched into right and left lobes, and has also elongated posteriorly. The lobes become separated from the common cell mass, the future ovary developing from the left lobe and the vitelline follicles from the right one. The uterus develops from the posterior elongation of the cell mass. The testes are at first 12 in number, being finally reduced to 9 in the adult stage.This publication has 0 references indexed in Scilit: