Name: | forerunner cell group |
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Synonyms: | DFCs, dorsal forerunner cells, forerunner cells |
Definition: | A group of cells that migrate at the leading edge of shield during gastrulation but do not involute. At the end of gastrulation, forerunner cells migrate deep into the embryo and organize to form Kupffer's vesicle. |
Ontology: | Anatomy Ontology [ZFA:0000023] |
Name: | orientation |
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Synonyms: | amount of rotation, angle, angular magnitude, angular placement, plane angle |
Definition: | A spatial quality inhering in a bearer by virtue of the bearer's placement which is defined by the angle between the bearer and an axis, or the angle between the bearer and another object. |
Ontology: | Phenotypic Quality Ontology [PATO:0000133] |