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单词 deuterostome
释义

deuterostome in British English

(ˈdjuːtərəˌstəʊm)
noun
zoology
any member of the major group of animals defined by the fact that during early embryonic development the first opening to form becomes the anus of the animal. The opposite is protostome

Examples of 'deuterostome' in a sentence
deuterostome

These two genes were present in deuterostome ancestors.
Yadetie Fekadu, Butcher Stephen, Førde Hilde E, Campsteijn Coen, Bouquet Jean-Marie,Karlsen Odd A, Denoeud France, Metpally Raghu, Thompson Eric M, Manak J Robert, GoksøyrAnders, Chourrout Daniel 2012, 'Conservation and divergence of chemical defense system in the tunicate Oikopleuradioica revealed by genome wide response to two xenobiotics', BMC Genomicshttp://www.biomedcentral.com/1471-2164/13/55. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Interpretation of early deuterostome evolution and relationships has been hampered by the lack of soft-part preservation in most groups.
J. Bergström, W. W. Naumann, J. Viehweg, M. Martí-Mus 1998, 'Conodonts, Calcichordates and the Origin of Vertebrates', Fossil Recordhttp://www.foss-rec.net/1/81/1998/fr-1-81-1998.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
To test this idea, we looked for neurons with a “pre-pancreatic” program in an early-branched deuterostome, the sea urchin.
Margherita Perillo, Periklis Paganos, Teresa Mattiello, Maria Cocurullo, Paola Oliveri,Maria I. Arnone 2018, 'New Neuronal Subtypes With a “Pre-Pancreatic” Signature in the Sea Urchin Stongylocentrotuspurpuratus', Frontiers in Endocrinologyhttps://www.frontiersin.org/article/10.3389/fendo.2018.00650/full. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
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更新时间：2026/6/9 4:30:26