Results 171 to 180 of about 10,586 (210)
Phylogenetics of Hydroidolina (Hydrozoa: Cnidaria) [PDF]
Journal of the Marine Biological Association of the United Kingdom, 2008 Hydroidolina is a group of hydrozoans that includes Anthoathecata, Leptothecata and Siphonophorae. Previous phylogenetic analyses show strong support for Hydroidolina monophyly, but the relationships between and within its subgroups remain uncertain. In an effort to further clarify hydroidolinan relationships, we performed phylogenetic analyses on 97 ...
Paulyn Cartwright +2 more
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2021
Class Hydrozoa Owen, 1834 4 “Les gonothèques naissent sur les portions distales de branches ordinaires dont les hydroclades modifiées en rameaux protecteurs et armés de nématothèques (phylactocarpes), sont disposées en verticilles plus ou moins réguliers, enveloppant les gonothèques à la façon d’une corbule (pseudo-corbule)”. 5 “As described by Nutting
Galea, Horia R. +2 more
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Class Hydrozoa Owen, 1834 4 “Les gonothèques naissent sur les portions distales de branches ordinaires dont les hydroclades modifiées en rameaux protecteurs et armés de nématothèques (phylactocarpes), sont disposées en verticilles plus ou moins réguliers, enveloppant les gonothèques à la façon d’une corbule (pseudo-corbule)”. 5 “As described by Nutting
Galea, Horia R. +2 more
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Germplasm, Weismann, and Hydrozoa
The Quarterly Review of Biology, 1948ion, philosophically valuable but otherwise distracting. In our opinion it is better to dispense with it altogether than to continue to en-
N J, BERRILL, C K, LIU
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Biological Reviews, 1963
Summary1. This article reviews the present state of knowledge on regeneration in the Hydrozoa and some of the problems related to it. The available data derived from descriptive and experimental studies are confined to only a few genera (Hydra, Tubularia, Cordylophora, Corymorpha, Campanularia, Pennaria).
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Summary1. This article reviews the present state of knowledge on regeneration in the Hydrozoa and some of the problems related to it. The available data derived from descriptive and experimental studies are confined to only a few genera (Hydra, Tubularia, Cordylophora, Corymorpha, Campanularia, Pennaria).
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Hydroids (Cnidaria, Hydrozoa) from Mauritanian Coral Mounds
Zootaxa, 2020Agassiz, L. (1862) Contributions to the natural history of the United States of America. Vol. 4. Little Brown, Boston, 380 pp.Aguirrezabalaga, F., Altuna, A., Borja, A., Feliu, J., GarcíaCarrascosa, A.M., Romero, A., San Vicente, C., Torres-Gómez-de-Cádiz, J.A., Uriz, M.J. & Ibánez, M.
MARTA GIL +2 more
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Naturwissenschaften, 1997
is famous for its ability to regenerate missing structures. Even aggregates of single cells transform eventually into normally shaped animals. This indicates a communication within the tissue and within the aggregates which determines the spatial pattern of gene expression. Such pattern-forming systems are thought to play a decisive role in the control
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is famous for its ability to regenerate missing structures. Even aggregates of single cells transform eventually into normally shaped animals. This indicates a communication within the tissue and within the aggregates which determines the spatial pattern of gene expression. Such pattern-forming systems are thought to play a decisive role in the control
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Hydroidomedusae (Cnidaria: Hydrozoa) symbiotic radiation
Journal of the Marine Biological Association of the United Kingdom, 2008Hydroids can establish symbiotic relationships with most marine phyla. Almost entire genera or even families are associated with specific groups (e.g. Hydractiniidae and Cytaeididae with gastropods and hermit crabs, Zancleidae with bryozoans,Dipurenawith sponges,Ralphariawith octocorals,Eugymnantheawith bivalves,ProboscidactylaandTeissierawith ...
PUCE S +3 more
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2010
Published as part of Calder, Dale R., 2010, Some anthoathecate hydroids and limnopolyps (Cnidaria, Hydrozoa) from the Hawaiian archipelago 2590, pp.
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Published as part of Calder, Dale R., 2010, Some anthoathecate hydroids and limnopolyps (Cnidaria, Hydrozoa) from the Hawaiian archipelago 2590, pp.
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Cnidaria: Colonial Hydrozoa (Siphonophorae)
2017This chapter describes the taxonomy of colonial Hydrozoa. Siphonophores are pelagic organisms that can be found the whole year round, sometimes in a characteristic season, inshore and offshore at all latitudes and depths. As in all hydrozoans, they carry tentacles equipped with stinging cells (nematocysts), which are used by the colony to immobilize ...
Priscilla Licandro +2 more
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