The reticulum, the second chamber of the stomach, holds already chewed cud in a clump. The main functions are the breakdown of plant materials into digestible molecules, and filtering out of foreign material.
(pl. reticula, adj. reticulate) ( Praglowski and Punt, 1973) A network-like pattern consisting of lumina or other spaces wider than 1µm bordered by elements narrower than the lumina. See also: microreticum.