abomasum


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abomasum

(ăb′ō-mā′səm)
n. pl. aboma·sa (-sə)
The fourth division of the stomach in ruminant animals, such as cows, sheep, and deer, in which digestion takes place.

ab′o·ma′sal (-səl) adj.

abomasum

The 4th and last stomach of ruminants—e.g., cattle, deer, goats—which is suspended by the greater and lesser omenta. It is a source of rennin, as well as rennet, a rennin-containing enzyme preparation used to make cheese.

abomasum

the true digestive part of the RUMINANT STOMACH, secreting enzymes for the digestion of food prior to passing it on to the small intestine. The abomasum is HOMOLOGOUS with the monogastric stomach of non-ruminants.
References in periodicals archive ?
Edge, "Evaluation of aspartate transaminase activity and [beta]-hydroxybutyrate concentration in blood as tests for prediction of left displaced abomasum in dairy cows," American Journal of Veterinary Research, vol.
The contents and gross appearance of the forestomachs and abomasum were unremarkable.
From the rumen and reticulum, the food material (digesta) moves on to the abomasum, or true stomach, of the ruminant.
Elk have a four-part digestive tract (rumen, reticulum, omasum, abomasum).
By removing water and passing on a drier feed material, the omasum allows the secretions of the following chamber, the abomasum or true stomach, to be more effective in digestion.
Ashworthius patriciapillitae Hoberg, Abrams, Carreno and Lichtenfels, 2002 Abomasum, Odocoileus virginianus (M), Parque Nacional Santa Rosa, Guanacaste (Carreno et al.
(Additional scavenged caribou found near the beach were unsuitable for evaluation, and no data about them were recorded.) All 22 carcasses showed evidence of malnourishment and starvation: rocks in the abomasum, lack of visceral and body fat, and serous atrophy of bone marrow.
The difference of 6% between these two values might be the amount of INNDF-INADF which is slowly available in the rumen of the animal, but could be fully digested in the abomasum (Van Soest, 1994; Van Soest, et al., 1991).
Hindgut fermentation following hydrochloric acid exposure in the abomasum facilitates hemicellulose digestion.
ABOMASUM The fourth stomach is a true stomach, and it works basically the same way your stomach does.