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Summary Anatomy Item Literature (1762) Expression Attributions Wiki

Anatomy Term: heart primordium
XAO ID: 0000336
Synonyms: heart primordia, heart, fused heart primordium
Definition: "The fused aspects of ventral mesoderm, which have migrated from either side of the prechordal plate, and fused ventrally, just behind the cement gland. They give rise to the endocardium at NF stage 27/28."
Stage Range: NF stage 19 to NF stage 31
Marker Genes: myl2 nkx2-3 mybpc3 tn3 myl4 tbx20
Develops From:
Anatomy Item Stage Range
cardiac mesoderm NF stage 13 to NF stage 23
primary heart field NF stage 19 to NF stage 33 and 34
secondary heart field NF stage 19 to NF stage 33 and 34
Develops Into:
Anatomy Item Stage Range
endocardium NF stage 27 to death
epicardium NF stage 27 to death
heart NF stage 28 to death
myocardium NF stage 32 to death
Parent(s): cardiac mesoderm, primary heart field, secondary heart field


Parent(s): primordium (is_a) cardiovascular system (part_of)


References: Ontology Lookup Service , XB ANATOMY ONTOLOGY