tubular structure
91Vater, ampulla of — A small muscle located at the junction where of the common bile duct (from the liver and pancreas) empties into the duodenum (the upper part of the small intestine). Bile from the liver and secretions from the pancreas come through the ampulla of …
92Vater, papilla of — A small muscle located at the junction where of the common bile duct (from the liver and pancreas) empties into the duodenum (the upper part of the small intestine). Bile from the liver and secretions from the pancreas come through the papilla of …
93ampulla — A saccular dilation of a canal or duct. [L. a two handled bottle] biliaropancreatic a. hepatopancreatic a.. a. biliaropancreatica hepatopancreatic a.. bony ampullae of semicircular canals [TA] a circumscribed dilation of one extremity of each of… …
94caliber — The diameter of a hollow tubular structure. [Fr. calibre, of uncert. etym.] * * * cal·i·ber or chiefly Brit cal·i·bre kal ə bər, Brit also kə lē n the diameter of a round or cylindrical body esp the internal diameter of a hollow cylinder * * *… …
95calibrate — 1. To graduate or standardize any measuring instrument. 2. To measure the diameter of a tubular structure. * * * cal·i·brate kal ə .brāt vt, brat·ed; brat·ing 1) to ascertain the caliber of (as a thermometer tube) 2) …
96dysgenesis — Defective development. [dys + G. genesis, generation] cortical d. SYN: cortical dysplasia. gonadal d. defective gonadal development, varying types and degrees of which have been identified, including gonad …
97ectasia, ectasis — Dilation of a tubular structure. [G. ektasis, a stretching] annuloaortic e. supravalvular dilation of the aorta involving both its wall and the valve ring, which, however, remains of smaller diameter than the more distal …
98luminal — Relating to the lumen of a blood vessel or other tubular structure. SYN: luminalis [TA]. * * * Lu·mi·nal lü mə .nal, .nȯl trademark used for a preparation of the sodium salt of phenobarbital * * * Lu·mi·nal (looґmĭ nəl) trademark for… …
99mandrin — A stiff wire or stylet inserted in the lumen of a soft catheter to give it shape and firmness while passing through a hollow tubular structure. SYN: mandrel (2), mandril. [Fr. m., mandrel] * * * man·drin man drən n a stylet for a catheter * * *… …
100syringocele — 1. SYN: central canal. 2. A meningomyelocele in which there is a cavity in the ectopic spinal cord. [syringo + G. koilia, a hollow] * * * sy·rin·go·cele (sĭ ringґgo sēl) 1. a cystlike swelling in a tubular structure of the body. 2.… …
