<prompt> Which of the following is the predominant cell type in the intra-epithelial region of small intestinal mucosa?BasophilsPlasma cellsB lymphocyteT lymphocyte  <response>: T lymphocyte predominantly of cytotoxic phenotype CD8 constitute the predominant cell type in the intra epithelial region of the mucosa of intestine. The lamina propria consist of helper T cells CD4 and educated B cells. Ref: Robbins Pathologic Basis of Disease, 6th Edition, Page 804 