OBO ID: ZFA:0000028
Term Name: heart primordium Search Ontology:
Synonyms: cardiac field, heart primordia
Definition: Bilateral groups of cells consisting of three rows: one row of endocardial precursors medially and two rows of myocardial precursors laterally. The two populations fuse at the midline between 21 and 26 somites to form the heart rudiment or cone. (1)
Appears at: Segmentation:5-9 somites (11.66h-14.0h)
Evident until: Segmentation:20-25 somites (19.0h-22.0h)
References: TAO:0000028
Ontology: Anatomy Ontology
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