Term Name:	blood vessel lumen ensheathment
Synonyms:
Definition:	A blood vessel lumenization process that occurs by blood vessel endothelial cells delaminating and aligning along the inner surface of an existing luminal space, extending the open ended lumen, and joining to other blood vessels to form a complete blood vessel.
Ontology:	GO: Biological Process [GO:0097496]    QuickGO    AmiGO