| ductless glands | Ductless glands that secrete substances which are released directly into the circulation and which influence metabolism and other body functions. (12 Dec 1998) |
|---|---|
| ducts of Skene's glands | Inconstant ducts along the side of the female urethra that convey the mucoid secretion of Skene's glands to the vestibule. Synonym: ductus paraurethrales, ducts of Skene's glands, Schuller's ducts. (05 Mar 2000) |
| ductular | Relating to a ductule. (05 Mar 2000) |
| ductule | A minute duct. Synonym: ductulus. (05 Mar 2000) |
| ductuli aberrantes | The superior or inferior diverticula of the epididymis. Synonym: ductuli aberrantes, aberrant ducts, ductus aberrantes, vasa aberrantes. (05 Mar 2000) |
| ductuli 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) |
| ductuli excretorii glandulae lacrimalis | The multiple (6 to 10) excretory ducts of the lacrimal gland that open into the superior fornix of the conjunctival sac. Synonym: ductuli excretorii glandulae lacrimalis, excretory ductules of lacrimal gland. (05 Mar 2000) |
| ductuli interlobulares | Bile ductules occupying portal canals between hepatic lobules that open into the ductuli biliferi. Synonym: ductuli interlobulares. (05 Mar 2000) |
| ductuli paroophori | Tubular remnants of the embryonic mesonephros forming the paroophoron. Synonym: tubuli paroophori. (05 Mar 2000) |
| ductuli prostatici | About 20 minute canals that receive the prostatic secretion from the glandular tubules and discharge it through openings on either side of the urethral crest in the posterior wall of the urethra. Synonym: ductuli prostatici, ductus prostatici, prostatic ducts. (05 Mar 2000) |
| ductuli transversi epoophori | A series of 10 to 15 short tubules that open into the longitudinal duct of the epoophoron and represent vestiges of the mesonephric duct. Synonym: ductuli transversi epoophori, tubuli epoophori. (05 Mar 2000) |
| ductulus | Synonym: ductule. Origin: Mod. L. Dim. Of L. Ductus, duct (05 Mar 2000) |
| ductulus aberrans inferior | A narrow, coiled tubule frequently connected to the first part of the ductus deferens or to the lower part of the ductus epididymitis. Synonym: ductulus aberrans inferior, Haller's vas aberrans. (05 Mar 2000) |
| ductulus aberrans superior | A diverticulum from the head of the epididymis. Synonym: ductulus aberrans superior. (05 Mar 2000) |
| ductulus alveolaris | The part of the respiratory passages distal to the respiratory bronchiole; from it arise alveolar sacs and alveoli, the smallest of the intralobular duct's in the mammary gland, into which the secretory alveoli open. Synonym: ductulus alveolaris. (05 Mar 2000) |
| bile duct obstruction, extrahepatic | Impairment of bile flow through the hepatic, cystic, or common bile ducts or vater's ampulla. This is sometimes called surgical jaundice. (12 Dec 1998) |
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| bile duct pressure | <radiology> Normal: 15-20 cm H2O (12 Dec 1998) |
| bile duct stricture | <surgery> An abnormal narrowing of the common bile duct. A potential cause for biliary obstruction. Risk factors are prior surgery, pancreatitis, trauma and gallstones. Symptoms include jaundice, fever, chills and abdominal pain. Endoscopic surgery has been successful in removing strictures of the bile duct. (27 Sep 1997) |
| biliary duct | <anatomy> A duct that carries bile from the liver and gallbladder to the duodenum (first part of the small intestine). (27 Sep 1997) |
| Blasius' duct | The duct of the parotid gland opening from the cheek into the vestibule of the mouth opposite the neck of the superior second molar tooth. Synonym: ductus parotideus, Blasius' duct, Stensen's duct, Steno's duct. (05 Mar 2000) |
| blocked tear duct | A blocked nasolacrimal duct which normally carries tears from the eyes to the nose. Commonly seen in infants, but usually resolves spontaneously by age 2-3. In adults blockage can occur from chronic sinusitis or trauma. A gentle massage of the lacrimal gland 2-3 times a day for several months may reopen the tear duct. (27 Sep 1997) |
| blunt duct adenosis | Adenosis of the breast in which the ducts are enlarged but not increased in number. (05 Mar 2000) |
| Botallo's duct | Before birth, the blood headed from the heart (via the pulmonary artery) for the lungs is shunted away from the lungs and returned to the greatest of arteries (the aorta). The shunt is through a short vessel called the ductus arteriosus. When the shunt is open, it is said to be patent (pronounced pa'tent). The patent ductus arteriosus (PDA) usually closes at or shortly after birth and blood is permtted from that moment on to course freely to the lungs. If the ductus stays open (patent), flow reverses and blood from the aorta is shunted into the pulmonary artery and recirculated through the lungs. The PDA may close later spontaneously (on its own) or need to be ligated (tied off) surgically. (12 Dec 1998) |
| bucconeural duct | The slender tubular part of the hypophysial diverticulum; the stalk of Rathke's pocket. Synonym: bucconeural duct, hypophysial duct. (05 Mar 2000) |
| carcinoma, infiltrating duct | An invasive (infiltrating) carcinoma of the breast. This carcinoma in which no special histological feature is recognised is designated nos or not otherwise specified and is by far the most common ductal tumour, accounting for almost 70% of breast cancers. It is characterised by stony hardness upon palpation. It commonly metastasizes to the axillary lymph nodes and its prognosis is the poorest of the various ductal types. (12 Dec 1998) |
| gall duct | An obsolete term for bile duct. (05 Mar 2000) |
| major sublingual duct | The duct that drains the anterior portion of the sublingual gland; it opens at the sublingual papilla. Synonym: ductus sublingualis major, Bartholin's duct. (05 Mar 2000) |
| gartner duct cyst | <radiology> Cyst in lateral wall of vagina, remnant of wolffian duct (12 Dec 1998) |
| Gartner's duct | 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) |
| Gartner's duct cyst | <gynaecology> A closed sac on or under the vaginal mucosa that contains fluid or semi-solid material. These may occur secondary to trauma. Treatment may include surgical excision. (27 Sep 1997) |