|OBO ID: ZFA:0000154|
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|Term Name:||sinus venosus||Search Ontology:|
|Definition:||Heart region collecting blood from the paired common cardinal veins and delivering to the atrium. One of four components of the heart. The sinus venosus also acts as a pacemaker and is the first to contract. (1)|
|Appears at:||Pharyngula:High-pec (42.0h-48.0h)|
|Evident until:||Adult (90d-730d, breeding adult)|
|is part of:||
|is a type of:||