Relier Pairs Comparative Digestive AnatomyVersion en ligne Match the animal digestive terms with their definitions. par April Smith 1 Gizzard 2 Proventriculus 3 Monogastric 4 Rumen 5 Omasum 6 Small Intestine 7 Pseudoruminant 8 Cecum 9 Avian 10 Reticulum 11 Cloaca/Vent 12 Esophagus 13 Large Intestines 14 Ruminant 15 Abomasum Organism with one simple stomach The glandular stomach of birds; organ located between the crop and the gizzard Fourth compartment or "true stomach" of the ruminant animal 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 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 A muscular, thick-walled part of a bird's stomach that provides mechanical digestion; also called the ventriculus The second compartment of the ruminant stomach; primarily for filtering The third compartment of the ruminant stomach An opening that allows the passage of urine, manure and eggs in poultry 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 Any animal with a complex three- or four-chambered stomach that utilizes microbes in the rumen and cud chewing to aid in digestion Referring to birds or having the characterisitcs of birds A digestive organ that aids in the reabsorption of water; collectively the cecum, colon and rectum The first and largest compartment of the ruminant stomach; primarily for storage and fermentation