The glandular tissue consists of caecal vesicles that form grape-like clusters around the milk tubules.
"Common Diseases of Farm Animals"
R. A. Craig, D. V. M.
On this account they should not be eaten when at all old and hard by persons of slow digestion, because apt to lodge in the intestines, and to become entangled in their caecal pouch, or in its appendix.
"Herbal Simples Approved for Modern Uses of Cure"
William Thomas Fernie
We have nothing to do but to make this ball glance from that ball and hit that other ball, and to knock that ball with this ball into a certain caecal sacculus or diverticulum which our professional friend calls a pocket.
"The Complete PG Works of Oliver Wendell Holmes, Sr."
Oliver Wendell Holmes, Sr. (The Physician and Poet not the Jurist)