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- d. aberrantes SYN: aberrant ductules, under ductule.
- d. arteriosus a fetal vessel connecting the left pulmonary artery with the descending aorta; in the first two months after birth, it normally changes into a fibrous cord, the ligamentum arteriosum; persistent postnatal patentcy is a correctable cardiovascular handicap. SYN: arterial canal, arterial duct, Botallo duct.
- d. biliaris [TA] SYN: bile duct (2).
- d. biliferi SYN: biliary ductules, under ductule.
- d. caroticus a portion of the embryonic dorsal aorta between points of juncture with the third and fourth arch arteries; it disappears early in development. SYN: carotid duct.
- d. choledochus [TA] SYN: bile duct (1).
- d. cochlearis [TA] SYN: cochlear duct.
- d. cysticus [TA] SYN: cystic duct.
- d. deferens [TA] 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. SYN: deferent canal, deferent duct, spermatic duct, spermiduct (1), testicular duct, vas deferens.
- d. deferens vestigialis SYN: longitudinal duct of epoöphoron.
- d. diverticulum SYN: ductal aneurysm.
- d. dorsopancreaticus SYN: accessory pancreatic duct.
- d. ejaculatorius [TA] SYN: ejaculatory duct.
- d. endolymphaticus [TA] SYN: endolymphatic duct.
- d. epididymidis [TA] SYN: duct of epididymis.
- d. excretorius SYN: excretory duct.
- d. excretorius glandulae vesiculosae [TA]
- d. glandulae bulbourethralis [TA] SYN: duct of bulbourethral gland.
- d. hemithoracicus SYN: hemithoracic duct.
- d. hepaticus communis [TA] SYN: common hepatic duct.
- d. incisivus [TA] SYN: incisive duct.
- d. lactiferi [TA] SYN: lactiferous ducts, under duct.
- d. lingualis a pit on the upper surface of the tongue at the apex of the sulcus terminalis; it marks the point of origin of the d. thyroglossus of the embryo; known more commonly as the foramen cecum.
- d. mesonephricus SYN: mesonephric duct. SEE ALSO: longitudinal duct of epoöphoron.
- d. nasolacrimalis [TA] SYN: nasolacrimal duct.
- d. pancreaticus [TA] SYN: pancreatic duct.
- d. paramesonephricus SYN: paramesonephric duct.
- d. paraurethrales [TA] SYN: paraurethral ducts, under duct.
- d. parotideus [TA] SYN: parotid duct.
- patent d. arteriosus d. arteriosus.
- d. perilymphaticus SYN: cochlear aqueduct.
- d. pharyngobranchialis III a narrow communication between the third branchial pouch and the pharynx in the embryo.
- d. pharyngobranchialis IV a narrow communication between the fourth branchial pouch and the pharynx in the embryo.
- d. prostatici SYN: prostatic ductules, under ductule.
- d. reuniens [TA] a short membranous tube passing from the lower end of the saccule to the cochlear duct of the membranous labyrinth. SYN: canaliculus reuniens, canalis reuniens, Hensen canal, Hensen duct, uniting canal, uniting duct.
- d. saccularis [TA] SYN: saccular duct.
- d. semicirculares [TA] SYN: semicircular ducts, under duct.
- d. sublinguales minores [TA] SYN: minor sublingual ducts, under duct.
- d. submandibularis [TA] SYN: submandibular duct.
- d. submaxillaris SYN: submandibular duct.
- d. sudoriferus SYN: duct of sweat glands.
- d. thoracicus [TA] SYN: thoracic duct.
- d. thyroglossus [TA] SYN: thyroglossal duct.
- d. utricularis [TA] SYN: utricular duct.
- d. utriculosaccularis [TA] SYN: utriculosaccular duct.
- d. venosus in the fetus, continuation of the left umbilical vein through the liver to the vena cava inferior; after birth, its lumen becomes obliterated, forming the ligamentum venosum.
- d. venosus arantii rarely used term for d. venosus.
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n.
a duct. The ductus deferens is the vas deferens.
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duc·tus (dukґtəs) gen. and pl. ducґtus [L.] duct; a passage with well-defined walls. see also ductulus.Descriptions of structures are given on TA terms, and include the anglicized names of specific ducts.
Medical dictionary. 2011.