estromal
Estromal is an adjective used in medical and biological literature to refer to the stroma, the connective tissue framework that supports parenchymal cells in organs and tumors. While the standard English term is stromal, estromal can appear as a variant spelling in some texts, particularly in non-English sources such as Spanish or Portuguese medical literature where estromal forms are used to translate stroma and stromal.
Stroma refers to the non-epithelial, supportive tissue, including fibroblasts, immune cells, blood vessels, and extracellular matrix.
Outside pathology, stromal tissue is referenced in organ development, wound healing, and transplantation biology. In plants,
Etymology: from stroma, Latinized from Greek stroma meaning bed or cushion; the -al suffix forms an adjective