Term Name: heart primordium
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.
Appears at: Segmentation:5-9 somites (11.66h-14.0h)
Evident until: Segmentation:20-25 somites (19.0h-22.0h)
Ontology: Anatomy Ontology [ZFA:0000028]

Relationships
develops from: lateral mesoderm
develops into: heart rudiment
is part of: cardiovascular system
has parts: endocardial precursor myocardial precursor
is a type of: portion of tissue

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