pepsinogen. a zymogen secreted by the chief cells of the gastric glands and converted into pepsin in the presence of gastric acid or of pepsin itself.plasma pepsinogen. high levels are indicative of extensive mucosal damage in the abomasum, as in ostertagiasis in ruminants. proenzyme formed and secreted by the chief cells of the gastric mucosa; the acidity of the gastric juice and pepsin itself remove 42 amino acid residues from pepsinogen to form active pepsin. Synonym(s): propepsin. [ pepsin + G. -gen, producing].
Princeton's WordNet(5.00 / 1 vote)Rate this definition: 1  reed(noun) tall woody perennial grasses with hollow slender stems especially of the genera Arundo and Phragmites.
The highest monthly average temperature in Reedsport for July is 59 degrees. The lowest monthly average temperature in Reedsport for January is 44 degrees. The most monthly precipitation in Reedsport occurs in December with 10.1 inches. The air quality index in Reedsport is 79% better than the national average. The pollution index in Reedsport is 35% better than the national average.