title: Pinocytosis by epithelium associated with lymphoid follicles in the bursa of Fabricius, appendix, and Peyer's patches. An electron microscopic study.
mesh_terms: D000818:Animals; D001065:Appendix / Q000166:cytology*; D002060:Bursa of Fabricius / Q000166:cytology*; D002642:Chick Embryo; D002645:Chickens; D004847:Epithelial Cells; D008221:Lymphoid Tissue / Q000166:cytology*; D051379:Mice; D008854:Microscopy, Electron; D010581:Peyer's Patches / Q000166:cytology; D010873:Pinocytosis; D011817:Rabbits