The process whose specific outcome is the progression of the endocardium over time, from its formation to the mature structure. The endocardium is an anatomical structure comprised of an endothelium and an extracellular matrix that forms the innermost layer of tissue of the heart, and lines the heart chambers. [ GOC:mtg_heart ]
This is just here as a test because I lose it
Term information
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Subclass of:
- anatomical structure development
- results in development of some endocardium
- part of some heart development