Studies on the Organs of Reproduction in the Nudibranchiate Mollusks PDF Download
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Author: Leslie Addison Chambers
Publisher:
ISBN:
Category : Nudibranchia
Languages : en
Pages : 60
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Book Description
"One. A fundamental similarity existing among the complex reproductive systems of the Nudibranchiata is pointed out and a classification is presented based on the extent of primary and secondary bifurcation of the hermaphrodite duct. Four types of system are indicated, any one of which might conceivably be the phylogenetic derivative of any other. 2. The histology and anatomy of the reproductive system in Embletonia fuscata, a typical aeolid, are given, and the functional implications of the existing anatomical relationships discussed. 3. Some phases of the natural history of reproduction in the Nudibranchiata are discussed indicating that the mass migrations supposed to precede and follow spawning probably do not occur"--Page 638
Author: Leslie Addison Chambers
Publisher:
ISBN:
Category : Nudibranchia
Languages : en
Pages : 60
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Book Description
"One. A fundamental similarity existing among the complex reproductive systems of the Nudibranchiata is pointed out and a classification is presented based on the extent of primary and secondary bifurcation of the hermaphrodite duct. Four types of system are indicated, any one of which might conceivably be the phylogenetic derivative of any other. 2. The histology and anatomy of the reproductive system in Embletonia fuscata, a typical aeolid, are given, and the functional implications of the existing anatomical relationships discussed. 3. Some phases of the natural history of reproduction in the Nudibranchiata are discussed indicating that the mass migrations supposed to precede and follow spawning probably do not occur"--Page 638
Author: Arthur Giese
Publisher: Elsevier
ISBN: 0323153054
Category : Science
Languages : en
Pages : 382
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Book Description
Reproduction of Marine Invetebrates, Volume IV Molluscs: Gastropods and Cephalopods describes the wide range of structural complexity and diverse modes of reproduction of gastropods and cephalopods. Each chapter discusses the asexual reproduction, sexual reproduction capacity, and developmental stages of different group of gastropods and cephalopods, including prosobranchia, opisthobranchia, pulmonata, nautiloidea, decapoda, and octopoda. Gastropods are among the most conspicuous sea animals, and species of limpets, snails, and slugs are found in all marine habitats. Cephalopods are active and important marine predators, ranging from archaic nautiloids to more recent pelagic decapods and benthic octopods, which are often considered to be one of the apexes of invertebrate evolution. They are all gonochoric and reproduce only by sexual means. All have intricate courtship behavior and derived developmental patterns. Marine biologists and researchers, scientists, and developmental biologists will find this book invaluable.
Author: National Research Council (U.S.). Research Information Service
Publisher:
ISBN:
Category :
Languages : en
Pages : 516
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Author:
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 1100
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Author:
Publisher:
ISBN:
Category : Research
Languages : en
Pages : 484
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Author: National Research Council (U.S.). Research Information Service
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 330
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Author: John A. McGowan
Publisher:
ISBN:
Category : Archidoris montereyensis Cooper
Languages : en
Pages : 40
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Author: Michael T. Ghiselin
Publisher:
ISBN:
Category : Opisthobranchia
Languages : en
Pages : 410
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Author: Thomas C. Cheng
Publisher: Elsevier
ISBN: 1483217396
Category : Science
Languages : en
Pages : 351
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Book Description
Current Topics in Comparative Pathobiology, Volume 2 covers several areas of pathobiology. The book discusses the biology of trematodes of the genus Paragonimus that occur in the Americas; the milky disease of beetles; and the biochemical exploration in insect pathology. The text describes the application of invertebrate tissue culture to the in vitro study of animal parasites; and the use of hydra-hydramoeba as a model system for the study of epizootic processes. The aspects of the biology of nudibranchs are reviewed, with emphasis on nudibranchs as members of associations, including functional morphology, physiology, utilization of host pigments and nematocysts, life history, behavior, defensive mechanisms, and ecology. Chemists, bacteriologists, parasitologists, invertebrate pathologists, immunologists, and protozoologists will find the book invaluable.
Author: Staten Island Institute of Arts and Sciences
Publisher:
ISBN:
Category :
Languages : en
Pages : 482
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