reddish brown emboldened words are medical terms that should be looked up in a medical dictionary for their figurative meanings.
orange emboldened words are terms taken from other fields of study that may be of interest.
angi-, angio- from Gr. angeion, a vessel, means "a vessel of some kind [usually blood but not always]". [angiocardiography, lit. the drawing of heart vessels, angiocyst, lit. vessel bladder, angioplasty, lit. the surgical formation of a vessel, angioscotoma, lit. vessel scotoma or vessel dark spot, cholangiole, lit. a diminutive bile vessel, gonangiectomy, lit. excision of a seed vessel, Hydrangea, Bot. lit. water vessel]
phlebo- from Gr. phleps means "vein". [fleam, Med. an obsolete lancet, phlebeurysm, lit. vein widening (dilation), phleboclysis, lit. washing out a vein, Phlebotomus, lit. vein cutter, phlebotomy, lit. vein incision, pylephlebectasis, lit. gate (portal) vein stretching out (dilation) condition)
Memory story: [I use fleas for a few of my blood and blood vessel stories. This is one of them.] For weeks you've been watching submariner fleas build a vessel to sail down blood and lymph vessels. Upon close inspection you now see they call their little flea boat (phlebo-) "The Angie" (angi-).