Term Name:	sprouting angiogenesis
Synonyms:
Definition:	The extension of new blood vessels from existing vessels into avascular tissues, this process includes the specialization of endothelial cells into leading tip and stalk cells, proliferation and migration of the endothelial cells and cell adhesion resulting in angiogenic sprout fusion or lumen formation.
Ontology:	GO: Biological Process [GO:0002040]    QuickGO    AmiGO