| crus membranaceum simplex ductus saemicircularis | The non-ampullary end of the lateral saemicircular duct that opens independently into the utricle. Synonym: crus membranaceum simplex ductus saemicircularis, simple membranous limb of saemicircular duct. (05 Mar 2000) |
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| stria vascularis ductus cochlearis | The stratified epithelium lining the upper part of the ligamentum spirale cochleae; it is penetrated by capillaries and is believed to be the site of production of endolymph. Synonym: stria vascularis ductus cochlearis, psalterial cord, vascular stripe. (05 Mar 2000) |
| diverticula ampullae ductus deferentis | The irregular sacculations of the ampullary part of the ductus deferens near its termination in the ejaculatory duct. Synonym: diverticula ampullae ductus deferentis. (05 Mar 2000) |
| diverticula of ampulla of ductus deferens | The irregular sacculations of the ampullary part of the ductus deferens near its termination in the ejaculatory duct. Synonym: diverticula ampullae ductus deferentis. (05 Mar 2000) |
| ductus | A duct or walled passageway. Our word duct is a contraction of the Latin word ductus meaning leading. The Romans, however, preferred the word canalis meaning a pipe or gutter for a conduit. (12 Dec 1998) |
| ductus aberrantes | The superior or inferior diverticula of the epididymis. Synonym: ductuli aberrantes, aberrant ducts, ductus aberrantes, vasa aberrantes. (05 Mar 2000) |
| ductus biliferi | The excretory ducts of the liver that connect the interlobular ductules to the right (or left) hepatic duct. Synonym: ductuli biliferi, canalicular ducts, ductus biliferi, tubuli biliferi. (05 Mar 2000) |
| ductus caroticus | A portion of the embryonic dorsal aorta between points of juncture with the third and fourth arch arteries; it disappears early in development. Synonym: carotid duct. (05 Mar 2000) |
| ductus choledochus | <anatomy> A duct that carries bile from the liver and gallbladder to the duodenum (first part of the small intestine). (27 Sep 1997) |
| ductus cochlearis | Spiral tube in the bony canal of the cochlea, lying on its outer wall between the scala vestibuli and scala tympani. (12 Dec 1998) |
| ductus cysticus | <anatomy> A bile duct that connects the gallbladder to the common bile duct. A gallstone that blocks the cystic duct can lead to inflammation and infection of the gallbladder. See: common bile duct. (27 Sep 1997) |
| ductus deferens | The secretory duct of the testicle, running from the epididymis, of which it is the continuation, to the prostatic urethra where it terminates as the ejaculatory duct. Synonym: deferent canal, deferent duct, spermatic duct, spermiduct, testicular duct, vas deferens. (05 Mar 2000) |
| ductus deferens vestigialis | A rudimentary vestige of the mesonephric duct in the female into which the tubules of the epoophoron open; it is located in the broad ligament of the uterus, parallel with the lateral part of the uterine tube, and in the lateral walls of the cervix and vagina. Synonym: ductus epoophori longitudinalis, ductus deferens vestigialis, Gartner's canal, Gartner's duct. (05 Mar 2000) |
| ductus dorsopancreaticus | The excretory duct of the head of the pancreas, one branch of which joins the pancreatic duct, the other opening independently into the duodenum at the lesser duodenal papilla. Synonym: ductus pancreaticus accessorius, Bernard's canal, Bernard's duct, ductus dorsopancreaticus, Santorini's canal, Santorini's duct. (05 Mar 2000) |
| ductus ejaculatorius | The duct formed by the union of the deferent duct and the excretory duct of the seminal vesicle, which opens into the prostatic urethra. Synonym: ductus ejaculatorius, spermiduct. (05 Mar 2000) |