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  • regression  (1)
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    Electronic Resource
    Electronic Resource
    Regression and replacement of hydranths in thecate hydroids, and the structure of hydrothecae (1991)
    Springer
    Hydrobiologia 216-217 (1991), S. 69-73 
    Details
    ISSN: 1573-5117
    Keywords: hydroids ; hydranths ; hydrothecae ; regression ; replacement
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract In 1953 the author described a regression and replacement cycle of hydranths in Laomedea flexuosa and proposed that this is a common feature of thecate hydroids. Here examples are presented of replacement of hydranths in species from 5 families of thecates, but it has not been demonstrated that this is as common as had been thought. More continuous studies are needed. A brief consideration is given to the origin of hydrothecae and their development.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00026445
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