blood island


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blood island

[′bləd ‚ī·lənd]
(embryology)
One of the areas in the yolk sac of vertebrate embryos allocated to the production of the first blood cells.
References in periodicals archive ?
Blood Island is Griffin's third Matt Royal novel, and he seems to have settled into a niche unoccupied by other writers.
Blood vessels form in two ways; vasculogenesis where by vessels arise from blood islands and angiogenesis which entails sprouting from existing vessels.