Abomasum (PSF)
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Abomasum (PSF)
The abomasum, also known as the maw,The Chambers Dictionary, Ninth Edition, Chambers Harrap Publishers, 2003
rennet-bag, or reed tripe, is the fourth and final stomach compartment in ruminants. It secretes rennet, which is used in cheese creation. The word ''abomasum'' (''ab-'' "away from" + ''omasum'' "intestine of an cattle, ox") is from Neo-Latin and it was first used in English language, English in 1706. It is possibly from the Gaulish language.


Function

The abomasum's normal anatomical location is along the ventral midline. It is a secretion, secretory stomach similar in anatomy and function to the monogastric stomach. It serves primarily in the acid hydrolysis of microbe, microbial and dietary pro ...
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Protein
Proteins are large biomolecules and macromolecules that comprise one or more long chains of amino acid residue (biochemistry), residues. Proteins perform a vast array of functions within organisms, including Enzyme catalysis, catalysing metabolic reactions, DNA replication, Cell signaling, responding to stimuli, providing Cytoskeleton, structure to cells and Fibrous protein, organisms, and Intracellular transport, transporting molecules from one location to another. Proteins differ from one another primarily in their sequence of amino acids, which is dictated by the Nucleic acid sequence, nucleotide sequence of their genes, and which usually results in protein folding into a specific Protein structure, 3D structure that determines its activity. A linear chain of amino acid residues is called a polypeptide. A protein contains at least one long polypeptide. Short polypeptides, containing less than 20–30 residues, are rarely considered to be proteins and are commonly called pep ...
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Methanogens In Digestive Tract Of Ruminants
Methanogens are a group of microorganisms that produce methane as a byproduct of their metabolism. They play an important role in the digestive system of ruminants. The digestive tract of ruminants contains four major parts: rumen, reticulum, omasum and abomasum. The food with saliva first passes to the rumen for breaking into smaller particles and then moves to the reticulum, where the food is broken into further smaller particles. Any indigestible particles are sent back to the rumen for rechewing. The majority of anaerobic microbes assisting the cellulose breakdown occupy the rumen and initiate the fermentation process. The animal absorbs the fatty acids, vitamins and nutrient content on passing the partially digested food from the rumen to the omasum. This decreases the pH level and initiates the release of enzymes for further breakdown of the food which later passes to the abomasum to absorb remaining nutrients before excretion. This process takes about 9–12 hours. Some of t ...
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Giving Of The Foreleg, Cheeks And Abomasum
The gift of the foreleg, cheeks and maw () of a kosher-slaughtered animal to a ''kohen'' is a positive commandment in the Hebrew Bible. The Shulchan Aruch rules that after the slaughter of animal by a ''shochet'' (kosher slaughterer), the ''shochet'' is required to separate the cuts of the foreleg, cheek and maw and give them to a ''kohen'' freely, without the ''kohen'' paying or performing any service. Hebrew Bible The source of the gift to the priest (Hebrew: ''kohen'') is found in Deuteronomy: Rabbinic interpretation In rabbinical interpretation this is a positive commandment requiring the shochet (ritual slaughterer) to give the aforementioned parts of a kosher-slaughtered animal to a ''kohen'' (excluding sacrificial animals such as Korban Olah or the Pascal lamb). This giving is required to be free of both monetary and servicial compensation. These gifts are entirely mundane ("chullin"), and are not associated with all or part of the sacrificial offerings bro ...
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Horumonyaki
''Horumonyaki'' () is a kind of Japanese cuisine made from beef or pork offal. Kitazato Shigeo, the chef of a ''yōshoku'' restaurant (one that specializes in Western-derived cuisine) in Osaka devised this dish and registered a trademark in 1940. It was originally derived from Yakiniku. The name ''horumon'' is derived from the word "hormone", with the intended meaning of "stimulation", as in the original Greek. The name ''horumon'' is also similar to the Kansai dialect The is a group of Japanese dialects in the Kansai region (Kinki region) of Japan. In Japanese, is the common name and it is called in technical terms. The dialects of Kyoto and Osaka are known as , and were particularly referred to as su ... term ''hōrumon'' (), which means "discarded goods". Horumonyaki has a reputation for being a "stamina building" food. Ingredients Although ''horumon'' may be beef or pork, beef is more commonly used. (Note: Names vary considerably depending on the source anim ...
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Tripe
Tripe is a type of edible lining from the stomachs of various farm animals. Most tripe is from cattle and sheep. Types Beef Beef tripe is made from the muscle wall (the interior mucosal lining is removed) of a cow's stomach chambers: the rumen (blanket/flat/smooth tripe), the reticulum (honeycomb and pocket tripe), and the omasum (book/bible/leaf tripe). Abomasum (reed) tripe is seen less frequently, owing to its glandular tissue content. Other animals Tripe refers to cow (beef) stomach, but includes stomach of any ruminant including cattle, sheep, deer, antelope, goat, ox, giraffes, and their relatives. , the related Spanish word, refers to culinary dishes produced from the small intestines of an animal. In some cases, other names have been applied to the tripe of other animals. For example, tripe from pigs may be referred to as ''paunch'', ''pig bag'', or '' hog maw''. Washed tripe Washed tripe is more typically known as dressed tripe. To dress the tripe, the sto ...
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Makchang Gui
''Makchang'' () or ''so-makchang'' (; "beef last viscus") is a Korean dish of either the abomasum (the fourth and final stomach compartment in ruminants) of cattle or the '' gui'' (grilled dish) made of beef abomasum. The latter is also called ''makchang-gui'' () or ''so-makchang-gui'' (). ''Dwaeji-makchang'' () means either the rectum of pig or the ''gui'' made of pork rectum, and the grilled dish is also referred to as ''dwaeji-makchang-gui'' (). They are often served with a light ''doenjang'' sauce and chopped scallions. High calcium content and high catabolism for alcohol makes it a favorite '' anju'' (side dish for drinking). ''Makchang gui'' is said to have originated in Daegu and the surrounding Gyeongsang Province region.Makchang gui
, Maeil News, 2009-12-09. Retrieved 2010-06-25.

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Florence
Florence ( ; ) is the capital city of the Italy, Italian region of Tuscany. It is also the most populated city in Tuscany, with 362,353 inhabitants, and 989,460 in Metropolitan City of Florence, its metropolitan province as of 2025. Florence was a centre of Middle Ages, medieval European trade and finance and one of the wealthiest cities of that era. It is considered by many academics to have been the birthplace of the Renaissance, becoming a major artistic, cultural, commercial, political, economic and financial center. During this time, Florence rose to a position of enormous influence in Italy, Europe, and beyond. Its turbulent political history includes periods of rule by the powerful House of Medici, Medici family and numerous religious and republican revolutions. From 1865 to 1871 the city served as the capital of the Kingdom of Italy. The Florentine dialect forms the base of Italian language, standard Italian and it became the language of culture throughout Italy due to ...
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Lampredotto
''Lampredotto'' () is a typical Florentine dish, made from the fourth and final stomach of cattle, the abomasum.Ingrid K. Williams36 Hours in Florence, Italy ''New York Times'' (September 24, 2014). ''Lampredotto'' is derived from the Italian word for lamprey eels, ''lampreda'', as the tripe resembles a lamprey in shape and color. A sandwich with ''lampredotto''—''panino co i' lampredotto''—has been described as a "classic Florentine" sandwich and is a traditional regional street food in Florence.''Street Food Around the World: An Encyclopedia of Food and Culture'' (eds. Bruce Kraig & Colleen Taylor Sen: ABC-CLIO, 2013), p. 208. ''Lampredotto'' is typically slow-cooked in a vegetable broth, seasoned with herbs, chopped, and served in a bread roll A bread roll is a small, oblong individual loaf of bread served as a meal accompaniment (eaten plain or with butter). Rolls can be served and eaten whole or are also commonly cut and filled – the result of doing ...
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Abomasitis
Abomasitis (abomasal bloat) is a relatively rare ruminant disease characterized by inflammation of abomasum usually caused by larval development in young calves, lambs, and goat kids. It occurs with gastroenteritis, but can also be a side effect of other diseases. However, it is rarely diagnosed as a separate condition. Signs and symptoms A characteristic sign is the swollen abomasum wall, which can also be necrotic and hemorrhagic. Edema in the mucosa may also occur. Symptoms include anorexia, the bloat of the abdomen, colic and diarrhea. The animals can seem passive and weak. Another sign can be that the affected animal separates itself from the herd. Without treatment, the animal can die in a very short amount of time. Cause Abomasitis can be caused by several factors: *Bacterial infections (e.g. '' Clostridium septicum'', ''C. perfringens'' (type A), ''C. sordellii'', and '' Sarcina spp.'') *Viruses like ''Rinderpest morbillivirus'' or Pestivirus can also cause ...
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Displaced Abomasum In Cattle
Displaced abomasum in cattle occurs when the abomasum, also known as the true stomach, which typically resides on the floor of the abdomen, fills with gas and rises to the top of the abdomen, where it is said to be ‘displaced’. When the abomasum moves from its normal position it prevents the natural passage of gas and feed through the digestive system, creating a restriction. As cattle are ruminants, which have a 4 chambered stomach composed of a rumen, reticulum, omasum and abomasum. Ruminants require this specialized digestive system in order to properly process and break down their high fiber and cellulose rich diets. As this type of digestive system is quite complex it is at a greater risk for incidence. Due to the natural anatomy of cattle it is more common to have the abomasum displace to the left, known as a left-displaced abomasum, than to the right, right-displaced abomasum. When the abomasum becomes displaced there also becomes a chance of an abomasal volvulus, twist ...
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Hydrochloric Acid
Hydrochloric acid, also known as muriatic acid or spirits of salt, is an aqueous solution of hydrogen chloride (HCl). It is a colorless solution with a distinctive pungency, pungent smell. It is classified as a acid strength, strong acid. It is a component of the gastric acid in the digestive systems of most animal species, including humans. Hydrochloric acid is an important laboratory reagent and industrial chemical. Etymology Because it was produced from halite, rock salt according to the methods of Johann Rudolph Glauber, hydrochloric acid was historically called by European alchemists ''spirits of salt'' or ''acidum salis'' (salt acid). Both names are still used, especially in other languages, such as , , , , , , , , , , (''ensan''), zh, 盐酸 (''yánsuān''), and (''yeomsan''). Gaseous HCl was called ''marine acid air''. The name ''muriatic acid'' has the same origin (''muriatic'' means "pertaining to brine or salt", hence ''muriate'' means hydrochloride), and this ...
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