| Name: | caudal hematopoietic tissue | 
|---|---|
| Synonyms: | |
| Definition: | Tissue that lies between the caudal artery and the caudal vein plexus where definitive hematopoiesis occurs after 48hpf and before the hematopoietic progenitors migrate to the thymus and kidney. | 
| Ontology: | Anatomy Ontology [ZFA:0005898] | 
| Name: | macrophage activation involved in immune response | 
|---|---|
| Synonyms: | macrophage activation during immune response, macrophage polarization involved in immune response | 
| Definition: | A change in morphology and behavior of a macrophage resulting from exposure to a cytokine, chemokine, cellular ligand, or soluble factor, leading to the initiation or perpetuation of an immune response. | 
| Ontology: | GO: Biological Process [GO:0002281] QuickGO AmiGO |