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bloodstream 
has definitions from the fields of biology,zoology
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									[ noun ] (biology,zoology) the blood flowing through the circulatory system  Used in print(Jacob Robbins et al., "The thyroid-stimulating...) The thyroxine and tri-iodothyronine released by proteolysis and so escaping de-iodination presumably diffuse into the blood_stream . Related terms | 
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