منابع مشابه
Local Organizer
Many biomedical ontologies have now been developed, stimulated by the increasing importance of biomedical ontologies in the scientific community. Most ontology development efforts have required not only the participation of ontology engineers but also of domain experts. This should help the veracity of the domain knowledge, but not necessarily the engineering of the ontology. In fact, the quali...
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متن کاملGoosecoid and the organizer.
The molecular nature of Spemann's organizer phenomenon has long attracted the attention of embryologists. goosecoid is a homeobox gene with a DNA-binding specificity similar to that of Drosophila bicoid. Xenopus goosecoid is expressed on the dorsal side of the embryo before the dorsal lip is formed. Cells expressing goosecoid are fated to become pharyngeal endoderm, head mesoderm and notochord....
متن کاملThe Organizer and Beyond
Rehovot 76100 ganizer, positioned on the future dorsal side of the em-Israel bryo, can be viewed as an array of distinct secreted inhibitors that pattern the embryo by antagonizing the activity of ventralizing factors (BMPs and Wnts). Studies In 1924 Hans Spemann and Hilde Mangold carried out in Xenopus have uncovered an amazing diversity of in-an experiment that revolutionized the field of dev...
متن کاملSpemann-Mangold Organizer
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ژورنال
عنوان ژورنال: Humaniora
سال: 2011
ISSN: 2476-9061,2087-1236
DOI: 10.21512/humaniora.v2i1.3104