Stomach

The stomach is a highly acidic environment due to gastric acid production and secretion which produces a luminal pH range usually between 1 and 4 depending on the species, food intake, time of the day, drug use, and other factors.

stomach Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby ...

stomach The expansion of the alimentary canal between the esophagus and duodenum. stomates The small openings in leaves, herbaceous stems, and fruits through which gases and water vapor pass. Full article ...

Stomach poison: An insecticide that is lethal only after it has been ingested by an insect, entering the insect body through the gut.

stomach The muscular organ between the esophagus and small intestine that stores, mixes, and digests food and controls the passage of food into the small intestine. PICTURE ...

stomach The part of the vertebrate gut system that follows the esophagus. It is expanded to form a chamber, and its walls secrete pepsinogen, giving rise to pepsin, rennin, and hydrochloric acid.

The stomach The wall of the stomach is lined with millions of gastric glands, which together secrete 400-800 ml of gastric juice at each meal. Several kinds of cells are found in the gastric glands ...

The fourth stomach of a ruminant; rennet. 1. (Science: botany) A name given to many tall and coarse grasses or grasslike plants, and their slender, often jointed, stems, such as the various kinds of bamboo, ...

[Gk. gaster, stomach] Pertaining to the stomach. gastrin A digestive hormone, secreted by the stomach, that stimulates the secretion of gastric juice.

Region of the stomach located between the fundus and the antrum; also known as the body of the stomach. Terms related to corpus cysts progesterone ...

It is a muscular stomach in the bird that aids in crushing food (usually tough plant material), often aided by gizzard rocks. Many birds have a gizzard, as did some dinosaurs. A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ...

The muscles of the stomach participate in mechanical digestion by churning the food "bolus.

Gastrin - is in the stomach and stimulates the gastric glands to secrete pepsinogen and hydrochloric acid. Secretion of gastrin is stimulated by food arriving in stomach. The secretion is inhibited by low pH .

These gametocytes are circulating in the bloodstream, and when a mosquito then feeds, it takes a blood meal, and when it takes a blood meal it takes some of these male and female forms into its stomach, where fertilization occurs.

At this age, the child often has signs of anemia, stunted growth, or an enlarged spleen, also manifested in a swollen stomach.

Pepsinogen the precursor molecule‚ secreted by the stomach lining‚ from which pepsin is made (pepsin = digestion; gen = bear‚ produce)    ...

Most who are infected with Shigella develop diarrhea, fever, and stomach cramps starting a day or two after they are exposed to the bacterium. The diarrhea is often bloody. Shigellosis usually resolves in 5 to 7 days.

gastrula - the belly, stomach] The early embryonic stage following the blastula stage during which cell migrations form distinct germ layers. The primitive gut (archenteron) is formed and opens to the exterior through the blastopore.

ruminant Cud-chewing artiodactyl mammals with a complex four-chambered stomach. ruminant animals Cud-chewing animals, such as cattle, sheep, goats, and buffalo, with multichambered stomachs in which cellulose is digested with the aid of bacteria.

Salt-cured or pickled foods cause cancers in the stomach and esophagus. Smoked foods such as ham and sausage contain carcinogens similar to those in tobacco smoke. Hot dogs and cold cuts contain nitrites, which are converted to nitrosamines.

ruminant animals; ruminants Animals having a rumen - a large digestive vat in which fibrous plant material is partially broken down by microbial fermentation, prior to digestion in a "true" stomach (the abomasum).

esophagus -- That portion of the gut which connects the pharynx to the stomach. exoskeleton -- n. An external, often hard, covering or integument that provides support and protection to the body.

In vertebrates, this innermost layer of cells goes on to form the linings of the gut (esophagus, stomach, intestines, rectum, colon), pharyngeal pouch derivatives (tonsils,thyroid, thymus, parathyroid glands), lungs, liver, gall bladder, pancreas.

See also: Stoma, Organ, Trans, Human, Cells