Pertaining to or characterized by the presence of fibrocysts.
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fi·bro·cys·tic .fīb-rə-'sis-tik, .fib- adj characterized by the presence or development of fibrous tissue and cysts <\fibrocystic changes in the pancreas (Lancet)>
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fi·bro·cys·tic (fi″bro-sisґtik) characterized by the development of cystic spaces, especially in relation to some duct or gland, accompanied by an overgrowth of fibrous tissue.Medical dictionary. 2011.