A primitive embryonic cell that develops into blood vessels and related vascular structures during fetal development.
From Greek 'angeion' (vessel) + 'blastos' (germ, sprout, bud). Scientific term describing the foundational cells from which vascular systems grow in developing organisms.
During early fetal development, special 'angioblasts' are like tiny construction crews that assemble blood vessels from scratch—and if something goes wrong with these cells, babies can be born with birthmarks, hemangiomas, or dangerous vascular malformations.
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