Gutless Bivalves
A new benthic species of the protobranch bivalve genus Solemya, from the northeastern Pacific Ocean, lacks a gut. It has no internal digestive enzymatic apparatus; nor is there any provision for the secretion of enzymes into the mantle cavity for extraorganismic digestion. The most likely nutritiona...
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Published in | Science (American Association for the Advancement of Science) Vol. 208; no. 4444; pp. 609 - 610 |
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Main Authors | , |
Format | Journal Article |
Language | English |
Published |
United States
The American Association for the Advancement of Science
09.05.1980
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Subjects | |
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Abstract | A new benthic species of the protobranch bivalve genus Solemya, from the northeastern Pacific Ocean, lacks a gut. It has no internal digestive enzymatic apparatus; nor is there any provision for the secretion of enzymes into the mantle cavity for extraorganismic digestion. The most likely nutritional mechanism for such an animal is the active absorption of dissolved organic molecules from the environment by the large ctenidial lamellae. These are well provided with blood, cleansed of sediment by cilia, and have phosphatases in their epithelial cells. Solemya borealis may also be gutless. |
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AbstractList | A new benthic species of the protobranch bivalve genus Solemya, from the northeastern Pacific Ocean, lacks a gut. It has no internal digestive enzymatic apparatus; nor is there any provision for the secretion of enzymes into the mantle cavity for extraorganismic digestion. The most likely nutritional mechanism for such an animal is the active absorption of dissolved organic molecules from the environment by the large ctenidial lamellae. These are well provided with blood, cleansed of sediment by cilia, and have phosphatases in their epithelial cells. Solemya borealis may also be gutless. A new benthic species of the protobranch bivalve genus Solemya , from the northeastern Pacific Ocean, lacks a gut. It has no internal digestive enzymatic apparatus; nor is there any provision for the secretion of enzymes into the mantle cavity for extraorganismic digestion. The most likely nutritional mechanism for such an animal is the active absorption of dissolved organic molecules from the environment by the large ctenidial lamellae. These are well provided with blood, cleansed of sediment by cilia, and have phosphatases in their epithelial cells. Solemya borealis may also be gutless. |
Author | Bernard, Frank R. Robert G. B. Reid |
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Cites_doi | 10.1126/science.203.4385.1073 10.1017/S0025315400046233 10.1139/z80-050 10.1086/BBLv25n4p261 10.1016/0010-406X(66)90578-0 10.1016/0300-9629(72)90352-0 |
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Copyright | Copyright 1980 The American Association for the Advancement of Science |
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Snippet | A new benthic species of the protobranch bivalve genus Solemya, from the northeastern Pacific Ocean, lacks a gut. It has no internal digestive enzymatic... A new benthic species of the protobranch bivalve genus Solemya , from the northeastern Pacific Ocean, lacks a gut. It has no internal digestive enzymatic... |
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StartPage | 609 |
SubjectTerms | Animal glands Animal organs Animals Bacteria Biological taxonomies Digestion Organic foods Phosphatases Symbiosis Worms |
Title | Gutless Bivalves |
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