pyknon

pyla (pilä), n.; pl. pylæ (-16). [NL., pylagoras (pi-lag'ō-ras), n.; pl. pylagorai (-11). [ stomach. The name is sometimes restricted to the small branch given off to the pylorus only. - Pyloric cæca. ( a ) In ichth., more or le numerous cæcal diverticula which are generally found about the beginning of the small intestine of fishes. (b) In entom., the cæcal diverticula with which the chylific ventricle of an insect may be provided. See cut under Blattidæ. - Pyloric glands. See gland.Pyloric orifice. Same as pylorus, 1 (a). - Pyloric o icle, a transverse, partly calcified plate situated in the roof of the pyloric part of the stomach of some crustaceans, as crawfish, and connected with the pterocardiac by the zygocardiac o icle. - Pyloric plexus. See plexus. - Pyloric sacs, in echinoderms, dilatations of the alimentary canal, as of a starfish, on the aboral side of the cardiac sacs, separated by a constriction from the latter, and provided with tubular proce es along the aboral aspect of a ray or arm. -Pyloric tube, a narrowed or tubular part of the stomach of a fish. - Pyloric vein, a small vein accompanying the pyloric artery and emptying into the portal vein. II. n. pl . The pyloric cæca of a fish. When ascending into fresh water with their ova nearly ready for extrusion, their pylorics are loaded with fat. The Field (London), Dec. 26, 1885.