OBO ID: ZFA:0005069 |
Term Name: | sinoatrial node | Search Ontology: | |
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Definition: | Portion of tissue containing 3 and 30 cells in dorsal right quadrant of atrium that initiate heart beat. (1) | ||
Appears at: | Larval:Protruding-mouth (72.0h-96.0h, 3.5mm) | ||
Evident until: | Adult (90d-730d, breeding adult) | ||
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Ontology: | Anatomy Ontology |