Name: | ventral wall of dorsal aorta |
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Synonyms: | AGM, aorta gonad mesonephros region, DA roof, DA-PCV joint, dorsal aorta - posterior cardinal vein joint, DP joint |
Definition: | Region where blood progenitor markers are expressed. Probable site of definitive hematopoiesis between 36hpf and 4dpf. |
Ontology: | Anatomy Ontology [ZFA:0005028] |
Name: | endoplasmic reticulum |
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Synonyms: | ER |
Definition: | The irregular network of unit membranes, visible only by electron microscopy, that occurs in the cytoplasm of many eukaryotic cells. The membranes form a complex meshwork of tubular channels, which are often expanded into slitlike cavities called cisternae. The ER takes two forms, rough (or granular), with ribosomes adhering to the outer surface, and smooth (with no ribosomes attached). |
Ontology: | GO: Cellular Component [GO:0005783] QuickGO AmiGO |