Endocardial cushions
Endocardial cushions, or atrioventricular cushions, refer to a subset of cells in the development of the heart that play a vital role in the proper formation of the heart septa.
| Endocardial cushions | |
|---|---|
| Details | |
| Carnegie stage | 14 |
| Days | 27 |
| Precursor | Lateral plate mesoderm |
| Gives rise to | Septum intermedium |
| Identifiers | |
| Latin | Tubera endocardiaca atrioventricularia |
| MeSH | D054089 |
| TE | cushions_by_E5.11.1.6.0.0.4 E5.11.1.6.0.0.4 |
| Anatomical terminology | |
They develop on the atrioventricular canal and conotruncal region of the bulbus cordis.
During heart development, the heart starts out as a tube. As heart development continues, this tube undergoes remodeling to eventually form the four-chambered heart. The endocardial cushions are a subset of cells found in the developing heart tube that will give rise to the heart's primitive valves and septa, critical to the proper formation of a four-chambered heart.
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