What is (a) The second stomach of ruminants, in which folds of the mucous membrane form hexagonal cells; -- also called the honeycomb stomach. (b) The neuroglia called?

reticulum — (a) The second stomach of ruminants, in which folds of the mucous membrane form hexagonal cells; -- also called the honeycomb stomach. (b) The neuroglia. (Webster's 1913.)

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