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.
synonym of reedy: wheezy; similar: noisy; resembling a reed in being upright and slender. synonym of reedy: reedlike; similar: lean / thin; Alternative definition of the adjective reedy. adjective (of a sound or voice)high and thin in tone. full of or edged with reeds. (of a person)tall and thin. Printed dictionaries and other books with definitions for Reedy