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Abstracts Biological Sciences
An ultrastructural study of tentacle development in Cordylophora lacustris
by O'Rand, Michael G.
| Institution: | Oregon State University |
|---|---|
| Department: | Zoology |
| Degree: | MS |
| Year: | 1969 |
| Keywords: | Cordylophora lacustris |
| Posted: | |
| Record ID: | 1550153 |
| Full text PDF: | http://hdl.handle.net/1957/34069 |
Abstract
Morphological changes which occur during tentacle formation have been described in the colonial athecate hydroid Cordylophora lacustris. These changes involve an outpocketing of mesoglea into a finger-like extension of the hydranth. Gastrodermal cells line the inside of this extension of mesoglea while ectodermal cells cover the outside. Electron micrographs reveal the presence of several distinct cell types. Their function and possible role in tentacle differentiation is discussed.
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