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Topic: Pyloric glands

    Note: these results are not from the primary (high quality) database.

The Digestive Tract The pyloric glands secrete mainly mucus, which is filled with organic sodium, bicarbonates, and other alkalizing minerals which are positively necessary to protect the stomach walls from both the hydrochloric acid and the acids from food and drinks. He then conducted us to the pyloric valve and when it opened, we thanked him and proceeded into the duodenum. Everything was operating quickly, and the stomach muscles began to churn with strong, powerful pulsations. www.cleanse.net /the_digestive_tract.HTM

The Stomach G cells in base of pyloric glands secrete gastrin (hormone) Slow emptying - pyloric sphincter allows fluids thru, strength of antral peristalsis and sphincter tonal contraction determine passage of chyme, regulated by both stomach and duodenum, chyme will pass if fluid, duodenum not too full, too low pH or too much fat Secretin - low pH and peptides stimulate release; excites pyloric sphincter and stimulates pancreas to release alkaline juice low in enzymes, stimulates bile release rich in HCO www.mtsu.edu /~jshardo/bly2020/digestive/stomach_nonav.html

StomachDuodenal junction The black arrows are pointing to the Deep Gastric Pits of the Pyloric Stomach and the blue arrows are pointing to the Brunner's Glands of the Duodenum. This is an image of the end of the Pyloric Stomach (red arrow) where it meets the Duodenum (blue arrow), which is the first part of the small intestines. The red arrow is pointing to the Mucosa, of the Pyloric stomach with it's Deep Gastric Pits, indicated by the black arrows. www3.umdnj.edu /histsweb/lab19/lab19pyloduodenum.html

Chapter 5 (page 20) There is little lamina propria in the fornix and body, where the gastric glands are numerous and closely packed; it is more prominent in the cardiac and pyloric zones (Ito l967). The lamina propria occupies the narrow region between the muscularis mucosae and the surface epithelial cells with their glands. It consists of outer longitudinal and inner circular fibres; from the inner layer strands of smooth muscle cells extend through the lamina propria toward the luminal surface between the gastric glands. med.plig.org /5   (683 words)

Digestive Fish Star System Due to all of this digestive demand, the sea star's arms are filled with digestive glands called pyloric Sea stars move using a water vascular system. Digestive glands: A sea star's digestive glands branch from secretory and Star Fish Refrigerator Magnets possess a hydraulic water vascular system. www.newstuff1.info /digestive-fish-star-system.html   (568 words)

anatomy.html Although the exact function of the pyloric caeca is unknown, it probably functions both in digestion and absorption of food. At the end of the stomach, many bony fishes have blind sacs called pyloric caeca. Gastric glands release substances that break down the food to prepare it for digestion. www.seaworld.org /infobooks/BonyFish/anatomy.html   (568 words)

Stomach cancer The risk of stomach cancer may increase in people who have had part of their stomach and the opening to the small intestine (pyloric valve) removed — usually as a treatment for peptic ulcers. The stomach walls are lined with three layers of powerful muscles that mix food with enzymes and acids produced by glands in the stomach's inner lining. Once the food in your stomach is thoroughly broken down and mixed, muscular contractions push it toward the pyloric valve, which leads into the upper portion of your small intestine (duodenum). www.cnn.com /HEALTH/library/DS/00301.html   (5450 words)

BIOHIT - Pepsinogen II ELISA - Pepsinogen II (PG II) is produced by chief cells and mucus neck cells of gastric mucosa, pyloric glands in the antrum and Brunner’s glands in the proximal duodenum. Pepsinogen II (or pepsinogen C) belongs to a group of aspartic proteinase zymogens (inactive form) that are activated in the acid pH of stomach to active enzyme pepsin. www.biohit.com /view/categories.asp?document_id=738   (202 words)

Julie King's Sea Star Page - Who Zoo Digestive glands: A sea star's digestive glands branch from secretory and digestive ducts called the pyloric ceca. Sea stars are secondarily radially symmetrical -- i.e. Sea stars range in size from 1-2 cm (.4-.8 in.) to 65 cm (26 in.) in diameter. www.whozoo.org /Anlife99/juliking/seastarpage3.htm   (748 words)

Chapter 28 (page 133) In atrophic gastritis the essential feature was not the increase in inflammatory cells in the lamina propria, but the reduction or atrophy of the deep glands, accompanied by intestinal metaplasia in the "antrum". Strickland and Mackay (l973) reviewed the nature of chronic atrophic gastritis in relation to the structure and function of the pyloric antrum, where "antrum" was equated with the pyloric mucosal zone. Benign gastric ulceration of the corpus was found to be associated with Type B atrophic gastritis; the more proximally the ulcer was located in the stomach, the more extensive the gastritis and the more severe the impairment of acid secretion proved to be. med.plig.org /28/133.html   (1091 words)

BIOHIT - Pepsinogen II ELISA Pepsinogen II (PG II) is produced by chief cells and mucus neck cells of gastric mucosa, pyloric glands in the antrum and Brunner’s glands in the proximal duodenum. Pepsinogen II (or pepsinogen C) belongs to a group of aspartic proteinase zymogens (inactive form) that are activated in the acid pH of stomach to active enzyme pepsin. Pepsinogen II ELISA Kit 96 wells Cat.No. 601020* www.biohit.com /view/products.asp?document_id=738&cat_id=   (202 words)

Julie King's Sea Star Page - Who Zoo Digestive glands: A sea star's digestive glands branch from secretory and digestive ducts called the pyloric ceca. Anus: The anus is not always present in the sea star, but when it is, it is on the body's upper surface, in the middle of the central disc. Sea stars range in size from 1-2 cm (.4-.8 in.) to 65 cm (26 in.) in diameter. www.whozoo.org /Anlife99/juliking/seastarpage3.htm   (748 words)

Summary of the PhD theses NO containing nerve terminals were also found around the pyloric glands and beneath the surface epithelium suggesting the nitrergic modulation of gastric secretion. • The distribution and density of the nitrergic nerve elements are different in the gastrointestinal tract but greater numbers of NO containing nerve elements are found in the myenteric plexuses and in the inner, circular smooth muscle layer of the sphincter-regions. • We have observed nitrergic nerve terminals in close apposition to the smooth muscle cells of the blood vessels, suggesting the regulating effect of NO on the blood flow and thus on the gastroprotection. www.ana.sote.hu /phdsum.htm   (748 words)

stomach on Encyclopedia.com The other end of the stomach empties into the first section of the small intestine, or duodenum; the pyloric sphincter, which separates the two, remains closed until the food in the stomach has been modified and is in suitable condition to pass into the small intestine. The surface of the mucosa is honeycombed with over 35,000 gastric glands and is folded into numerous ridges that almost disappear when the stomach is distended with food. STOMACH [stomach] saclike dilation in the gastrointestinal tract between the esophagus and the intestines, forming an organ of digestion. www.encyclopedia.com /html/s1/stomach.asp   (1017 words)

Mutagenic Activation of Environmental Carcinogens by Microsomes of Gastric Mucosa with Intestinal Metaplasia -- Tatemichi et al. 59 (16): 3893 -- Cancer Research CYPs within the glands of intestinal metaplasia if CYPs and mucosa with intestinal metaplasia, in particular in the pyloric Distribution of P450 reductase and NADPH-diaphorase activity in the gastric mucosa with intestinal metaplasia. cancerres.aacrjournals.org /cgi/content/full/59/16/3893   (1017 words)

YourSurgery.Com®-Correction of Pyloric and Duodenal Stenosis The pylorus is the part of the stomach that lies at the end of the stomach and is demarcated from the body by a difference in the type of glands from those in the body. The pyloric canal is the narrow segment of the pylorus that approaches the pyloric sphincter Stenosis (narrowing) of the pylorus or duodenum may occur in infants resulting in obstruction of the stomach or duodenum to the passage of food. www.yoursurgery.com /ProcedureDetails.cfm?BR=1&Proc=80   (268 words)

ZO315 Lab Objectives: Digestive & Respiratory VISCERA (PLEUROPERITONEAL CAVITY) bile duct body of stomach cardiac region of stomach cloacal opening colon pancreas: ventral and dorsal lobes duodenum falciform ligament gall bladder liver: left, median, and right lobes mesentery mesogaster mesorectum pyloric region of stomach pylorus rectal gland * spleen ileum III. I. Salivary glands: parotid gland submandibular gland sublingual gland lymph nodes Oral cavity: vestibule oral cavity hard palate soft palate tongue papillae of tongue Pharynx: (will do later) nasopharynx oropharynx laryngopharynx larynx epiglottis glottis trachea esophagus I. external gill slits internal gill slits gill chamber gill rakers * gill filaments holobranch spiracle pseudobranch oral cavity pharynx tongue II. biology.semo.edu /courses/ZO315/lab_digestive.html   (268 words)

Gastrin and gastric epithelial physiology -- Dockray 518 (2): 315 -- The Journal of Physiology Online The G- and D-cells of the pyloric antral mucosa act in concert as transepithelial transducers monitoring luminal nutrients (protein and amino acids) and pH, respectively. The gastric epithelium is folded into glands, which are the distinctive feature of the gastric mucosa. However, quantitative pharmacological studies suggest that in the intact mucosa in vivo the predominant action of gastrin on acid secretion is secondary to histamine release (Black and Shankley, 1987). jp.physoc.org /cgi/content/full/518/2/315   (7209 words)

AllRefer.com - stomach (Anatomy And Physiology) - Encyclopedia The other end of the stomach empties into the first section of the small intestine, or duodenum; the pyloric sphincter, which separates the two, remains closed until the food in the stomach has been modified and is in suitable condition to pass into the small intestine. The surface of the mucosa is honeycombed with over 35,000 gastric glands and is folded into numerous ridges that almost disappear when the stomach is distended with food. The wall of the stomach is composed of four layers, or tunics: an outer fibrous membrane called the serosa, a three-ply layer of muscle, a submucous layer, and, forming the stomach lining, a mucous layer called the gastric mucosa. reference.allrefer.com /encyclopedia/S/stomach.html   (7209 words)

HORMONE - Definition Chem.) A chemical substance formed in one organ and carried in the circulation to another organ on which it exerts a stimulating effect ; thus, according to Starling, the gastric glands are stimulated by a hormone from the pyloric mucous membrane. adjuvant, adrenosterone, Allen-Doisy hormone, androgen, androsterone, autacoid, bile, carminative, chalone, cholecystokinin, chondrotrophic hormone, corticosterone, counterirritant, dehydrocorticosterone, digestive secretion, emmenagogue, endocrine, expectorant, gall, gastric juice, insulin, intestinal juice, maturative, mucus, pancreatic juice, progesterone, prostatic fluid, rheum, salivary secretion, semen, sperm, tears, thyroxin, vasodilator, vitamin A biochemical substance that is produced by a specific cell or tissue and causes a change or activity in a cell or tissue located elsewhere in an organism. www.hyperdictionary.com /dictionary/Hormone   (7209 words)

Duodenum, Pancreas, Liver & Gallbladder - Dissector Answers visceral: most of the posterior and inferior surface area contacts abdominal viscera, including the body and pyloric area of the stomach, the superior (1st) part of the duodenum, the lesser omentum, the gallbladder, the right side of the transverse colon (including the right colic (hepatic) flexure), and the right kidney and suprarenal (adrenal) glands. The layers of peritoneum covering the visceral part of the liver also diverge, forming the posterior layer of the coronary ligament (N 279). The falciform ligament stretches from the umbilicus to the liver as a double-layered fold. anatomy.med.umich.edu /gastrointestinal_system/duodenum_ans.html   (7209 words)

e-Gastrointestinal.com:Information about the anatomy & physiology of the GI tract These deep tubular glands secrete electrolytes and produce pepsinogen and other proteases at the bottom (chief cells), hydrochloric acid in the neck and body of the gland (parietal cells), and mucous at the neck and opening of the gland. The pyloric region contains very few glandular elements, other than mucous producing cells, but rather serves as a muscular gatekeeper to the duodenum, the first portion of the small intestine. Pepsinogen is activated by the removal of a small fragment. www.e-gastrointestinal.com   (2412 words)

Duodenum, Pancreas, Liver & Gallbladder - Dissector Answers visceral: most of the posterior and inferior surface area contacts abdominal viscera, including the body and pyloric area of the stomach, the superior (1st) part of the duodenum, the lesser omentum, the gallbladder, the right side of the transverse colon (including the right colic (hepatic) flexure), and the right kidney and suprarenal (adrenal) glands. The connection between the liver and the body wall remains as the falciform ligament (N 279) in the adult, while the connection between the liver and the stomach remains as the lesser omentum (N 267). The falciform ligament encloses the ligamentum teres hepatis (N 225), the remnant of the umbilical vein that brought oxygenated blood from the placenta to the fetal heart. anatomy.med.umich.edu /gastrointestinal_system/duodenum_ans.html   (2412 words)

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