these findings support the hypothesis that capillary growth during thyroid enlargement occurs , at least in part , as a result of a parenchymal-stromal ( epithelial-mesenchymal ) paracrine interaction mediated by specific endotheliotropic ( angiogenic ) factors released by follicular epithelial cells and distinct from t3 , t4 , and thyroglobulin .
C0018021
thyroid enlargement
C0040123
thyroglobulin