The Microscopic Anatomy of the Freshwater Sponge, Ephydatia muelleri
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Authors
Sallin, Joshua
Date of Issue
1995-04-01
Type
thesis
Language
Subject Keywords
freshwater sponge, Ephydatia muelleri
Other Titles
Abstract
Ephydatia muelleri is a freshwater sponge abundantly found in the lakes and streams of Western Montana. In this study, the microscopic anatomy of E. muelleri in Salmon Lake, a lake located ca. 35 miles east of Missoula, MT, is described for specimens taken at ca. two week intervals between the months of May and August, 1994. The major cells (pinacocytes, choanocytes, and archaeocytes) are described. Although no sperm forming structures were noted, an egg and embryo indicate that sexual reproduction occurred.