Template:Madrid Heart timeline table

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**Human Heart Timeline**
Characteristic	Carnegie stage:	13	14	15	16	17	18	19	20	21	22	23
Septum primum
Foramen primum
Atrioventricular bundle
Atrioventricular cushions
Conotruncal ridges
Foramen secundum
Semilunar cusps
Conotruncal septum; atria
Closure primum foramen
Fusion atrioventricular cushions
Septum secundum and foramen ovale
Closure secondary interventricular foramen
Chordae tendineae
	Colour Coding:	beginning to appear			present
Table data^[1] Links: heart \| Madrid Collection

↑ Arráez-Aybar LA, Turrero-Nogués A & Marantos-Gamarra DG. (2008). Embryonic cardiac morphometry in Carnegie stages 15-23, from the Complutense University of Madrid Institute of Embryology Human Embryo Collection. Cells Tissues Organs (Print) , 187, 211-20. PMID: 18057862 DOI.

[PMID18057862-1] Arráez-Aybar LA, Turrero-Nogués A & Marantos-Gamarra DG. (2008). Embryonic cardiac morphometry in Carnegie stages 15-23, from the Complutense University of Madrid Institute of Embryology Human Embryo Collection. Cells Tissues Organs (Print) , 187, 211-20. PMID: 18057862 DOI.

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