Titlebook: Advances in the Biology of Turbellarians and Related Platyhelminthes; Proceedings of the F Seth Tyler Conference proceedings 1986 Dr W. Jun

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書目名稱Advances in the Biology of Turbellarians and Related Platyhelminthes影響因子(影響力)

書目名稱Advances in the Biology of Turbellarians and Related Platyhelminthes影響因子(影響力)學科排名

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書目名稱Advances in the Biology of Turbellarians and Related Platyhelminthes網(wǎng)絡公開度學科排名

書目名稱Advances in the Biology of Turbellarians and Related Platyhelminthes被引頻次

書目名稱Advances in the Biology of Turbellarians and Related Platyhelminthes被引頻次學科排名

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書目名稱Advances in the Biology of Turbellarians and Related Platyhelminthes年度引用學科排名

書目名稱Advances in the Biology of Turbellarians and Related Platyhelminthes讀者反饋

書目名稱Advances in the Biology of Turbellarians and Related Platyhelminthes讀者反饋學科排名

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An ultrastructural and cytochemical study of the digestive system in , (Turbellaria, Acoela)The central parenchyma in . consists of multifunctional cells. These cells digest food material intracellularly, can effect extracellular digestion through release of digestive enzymes by cell lysis and clasmatosis, and synthesize reserve nutritional substances.

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Overview: 978-94-009-4810-5

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Dr W. Junk Publishers, Dordrecht 1986

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Jerry J. Sweet,Cynthia Westergaardn those groups where these systems and mechanisms are evolutionarily most primitive. Here, such variety can involve the basic body plan of a given phylum and the types of morphogenesis characteristic of it. This correlation provides a new criterion of evolutionary primitive-ness, namely, the criteri

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Contemporary Approaches to Outdoor Learningoon of the Nemertodermatida, a group of primitive flatworms, indicates that the Platyhelminthes evolved from forms characterized by the primitive type of metazoan sperm and by the primitive mode of fertilization, implying the release of sperm freely into sea water..The occurrence of aberrant types o

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