The phrase "epithelial lining" refers to a thin layer of cells that covers the surfaces or cavities within the body. It acts as a protective barrier and helps in the absorption and secretion of substances. Full definition
Evaluation of the concentration of marbofloxacin in alveolar macrophages and pulmonary epithelial lining fluid after administration in dogs. (vetmed.auburn.edu)
EGFR is an important driver of cell proliferation in the intestines, whose epithelial lining is replaced approximately every four to six days. (sciencedaily.com)
The mouse line (H - 2Kb - tsA58; ImmortoMouse) used in this study has been exploited previously to provide a number of conditionally immortalized epithelial lines for experimental study (18, 19, 20). (cancerres.aacrjournals.org)