Matching Pairs Comparative Digestive AnatomyOnline version Match the animal digestive terms with their definitions. by April Smith 1 Proventriculus 2 Large Intestines 3 Omasum 4 Gizzard 5 Ruminant 6 Cloaca/Vent 7 Reticulum 8 Pseudoruminant 9 Abomasum 10 Cecum 11 Rumen 12 Esophagus 13 Small Intestine 14 Avian 15 Monogastric Any animal with a complex three- or four-chambered stomach that utilizes microbes in the rumen and cud chewing to aid in digestion The third compartment of the ruminant stomach A digestive organ that aids in the reabsorption of water; collectively the cecum, colon and rectum A long, flexible tube between the stomach and large intestine; collectively, duodenum, jejunum and ileum; its primary function in digestion is nutrient absorption by the blood Referring to birds or having the characterisitcs of birds A pouch-like organ at the start of the large intestine where bacteria break down cellulose in herbivores; assists in fermentation of coarse feed and assists with some water reabsorption An opening that allows the passage of urine, manure and eggs in poultry The second compartment of the ruminant stomach; primarily for filtering Fourth compartment or "true stomach" of the ruminant animal The glandular stomach of birds; organ located between the crop and the gizzard The tube that connects the mouth to the stomach Classification of animals based on digestive tract; a monogastric herbivore that digests a plant or roughage diet with a simple, single-compartment stomach; also called cecal fermenter or hindgut fermenter The first and largest compartment of the ruminant stomach; primarily for storage and fermentation Organism with one simple stomach A muscular, thick-walled part of a bird's stomach that provides mechanical digestion; also called the ventriculus
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