The abomasum is the ruminant's true or glandular stomach. Histologically, it is very similar to the stomach of monogastrics. ... The stomach of ruminants has four compartments: the rumen, reticulum, omasum and abomasum, as shown in the following diagram:
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You may have heard it said that cows have "four stomachs." In an anatomic sense this is incorrect; there really is only one stomach, but it does have divisions. The first three divisions of the ruminant stomach are sometimes considered to be diverticula of the esophagus;
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Ruminant - Wikipedia, the free encyclopedia
Physiologically, a ruminant is a mammal of the order Artiodactyla that digests plant-based food by initially softening it within the animal's first stomach, known as the rumen, then regurgitating th...
en.wikipedia.org/wiki/Ruminant
Omasum - The third stomach of ruminants, situated on the right side of the abdomen at a higher level than the fourth stomach and between this latter and the second stomach, with both of which it communicates. ... Home > Anatomy > Animal Structures > Stomach, Ruminant Terms and Definitions ... Stomach, Ruminant Categories.
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Britannica online encyclopedia article on ruminant stomach, ...region of the esophagus anterior to the stomach forms a thin-walled crop, which is the bird’s principal organ for the temporary storage of food. Some birds use the crop to carry food to their young. ... reticulum (ruminant stomach)
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Britannica online encyclopedia article on reticulum (ruminant stomach), In the most advanced ruminants, the much enlarged stomach consists of four parts. ... multi-chambered stomach...
www.britannica.com/EBchecked/topic/500003/reticulum
Pseudo-ruminants; Camelids (llamas and alpacas) are called "pseudo-ruminants" because they have a three-compartment stomach instead of four like ruminants. ... The abomasum is the "true" stomach of the ruminant. It has a similar function as the stomach of a non-ruminant: secretion of enzymes and acids to break down nutrients.
www.sheep101.info/cud.html
Figure 1, The digestive tract of the cow, a ruminant animal; Figure 2, The digestive tract of the pig, a simple-stomached (non-ruminant) animal.; Figure 3, The four divisions of the ruminant stomach.; Figure 4, The digestive tract of the horse, a non-ruminant animal; Figure 5, The digestive tract of the chicken,
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Definition and other additional information on Ruminant Stomach from Biology-Online.org dictionary. ... A stomach found in ruminant organisms such as cows, that consists of four unique chambers, each of which is a critical organ in breaking down certain components of digested material in the ruminant.
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first stomach, rumen - the first compartment of the stomach of a ruminant; here food is collected and returned to the mouth as cud for chewing ... abomasum, fourth stomach - the fourth compartment of the stomach of a ruminant; the one where digestion takes place...
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