What's the difference between duct and ligature?

Duct


Definition:

  • (n.) Any tube or canal by which a fluid or other substance is conducted or conveyed.
  • (n.) One of the vessels of an animal body by which the products of glandular secretion are conveyed to their destination.
  • (n.) A large, elongated cell, either round or prismatic, usually found associated with woody fiber.
  • (n.) Guidance; direction.

Example Sentences:

  • (1) The most actively proliferating region of the excurrent duct system is zone 3 of the epididymis, whereas the least active region is the ductuli efferentes.
  • (2) Endoscopic retrograde cholangiography failed to demonstrate any bile ducts in the right postero-lateral segments of the liver, the "naked segment sign".
  • (3) Immunohistochemical observation of myoepithelial cells with monoclonal antibody from human mammalian cancer suggested that these cells play an important role in the process of glandular ducts formation.
  • (4) Aside from these characteristic findings of HCC, it was important to reveal the following features for the diagnosis of well differentiated type of small HCC: variable thickening or distortion of trabecular structure in association with nuclear crowding, acinar formation, selective cytoplasmic accumulation of Mallory bodies, nuclear abnormalities consisting of thickening of nucleolus, hepatic cords in close contact with bile ducts or blood vessels, and hepatocytes growing in a fibrous environment.
  • (5) High mortality, severe destruction of pancreatic B-cells and presence of sporadic mononuclear infiltrations in islets and around excretory ducts were observed.
  • (6) No methionine-enkephalin-positive nerves could be detected in the common bile duct, pancreatic duct or gallbladder.
  • (7) The most serious complications following operative treatment are retained bile duct calculi (2.8%), wound infection and biliary fistulae.
  • (8) In case of biliary and pancreatic duct obstruction with pure pancreatic reflux, both oedema and inflammatory infiltrations were evident, whereas, in the presence of biliary reflux too, more serious histological features were detected.
  • (9) Dacryography is the only means of exploring the permeability of the lacrymal ducts and to conclude as the whether watering of the eyes is organic or functional.
  • (10) Papillomatosis of the biliary ducts is exceptional.
  • (11) Histological studies with neonatal mice raise the possibility that Müllerian duct tissue may represent a site for the transplacental toxicity of DES in both the male and female fetus.
  • (12) Six of the obstructed livers developed biliary cast formation so extensive that the smaller intrhepatic ducts became plugged to an extent that they could no longer have been treated by surgical mena.
  • (13) The presence of prostatic invasion either into the stroma or involving prostatic ducts and acini only had no adverse effect on outcome.
  • (14) A series of 172 lithiasis of the common bile duct has been analysed.
  • (15) Compared with the portal vein, lymphatic duct revealed a greater resistance to hypoxia.
  • (16) Although 25 Gy IORT plus 50 Gy EBRT was tolerated by the duodenum to 135 days, these doses may cause later pancreatic injury as an expression of damage to blood vessels and ducts.
  • (17) This report describes a newly developed catheter system with the aid of which the cystic duct and gallbladder can be reliably catheterized, retrograde, via an endoscope.
  • (18) Optical light, transmission, and scanning electron microscopy were used in investigations of epithelia in the glandular region of the milk cistern and greater lactiferous ducts and yielded the following findings, four and six hours from infection: degeneration and necrosis of epithelial cells, intraepithelial foreign cell infiltration (neutrophilic granulocytes, lymphocytes, macrophages), intra-epithelial oedema and locally delimited epithelial loss.
  • (19) To study the role of the serum complement system in the early necrosis of acinar cells an acute pancreatitis was produced by injection of basement membrane antibodies into the pancreatic duct of mice and rats.
  • (20) Predisposition to pancreatitis relates to duct size rather than stone size per se.

Ligature


Definition:

  • (n.) The act of binding.
  • (n.) Anything that binds; a band or bandage.
  • (n.) A thread or string for tying the blood vessels, particularly the arteries, to prevent hemorrhage.
  • (n.) A thread or wire used to remove tumors, etc.
  • (n.) The state of being bound or stiffened; stiffness; as, the ligature of a joint.
  • (n.) Impotence caused by magic or charms.
  • (n.) A curve or line connecting notes; a slur.
  • (n.) A double character, or a type consisting of two or more letters or characters united, as ae, /, /.
  • (v. t.) To ligate; to tie.

Example Sentences:

  • (1) This proved that all four fistulas were acquired and that they were probably caused by the catgut ligatures used for ampullary ligation.
  • (2) With CCK specific antisera (directed to the N-terminal portion of CCK-8 or the midportion of CCK-33) accumulation of peptide-like immunoreactivity (LI) was observed in large, dilated axonal swellings proximal to, but at some distance from, the ligature.
  • (3) The CF from beagle dogs was collected from gingivitis and active periodontitis (ligature-induced) sites.
  • (4) After performing the ligature the animals were administered 3H-thymidine, 3H-proline or 35S-sulphate at different times.
  • (5) A local resection of the liver was performed and the intrahepatic bile duct fistula closed by a ligature.
  • (6) For correction of anomalous pulmonary venous drainage into the azygos vein with this technique, ligature of the azygos vein must be placed distally to the site of anomalous drainage.
  • (7) 1 A method for stimulating the lumbar sympathetic outflow from the spinal cord of the rat is described which does not require artificial respiration of the animal.2 In some, but not all experiments continuous stimulation at 2 Hz or intermittently at 10 Hz accelerated the rate at which noradrenaline and dopamine-beta-hydroxylase accumulated central to a ligature on the sciatic nerve by approximately 40%.3 It is concluded that, although nervous activity is not necessary for axonal transport of transmitter granules in sympathetic neurones, intense nervous activity may accelerate the rate of granule transport.
  • (8) Retrograde transport was examined by allowing orthogradely transported materials to reverse at the regenerating region and then to accumulate at a ligature during a second incubation period.
  • (9) In the ligature strangulation, the reactions of histamine exclusively demonstrated in the Weibel-Palade bodies of the splenic central arterial endothelial cells.
  • (10) The authors have gained minimum blood losses when suturing with provisional catgut ligature through the urinary bladder bottom between interureteral fold and internal urethral orifice yet before dessection of adenoma surgical capsule and tumor enucleation.
  • (11) A larger group who underwent abdominal hysterectomy allowed comparison between MFC on the bladder muscularis and conventional suture ligature in terms of blood loss, operating time success of method used, and complications.
  • (12) These results suggest that the increased responsiveness to norepinephrine of arteries proximal to the ligature is due to changes in muscle mass and that the increased responsiveness of the veins is due to increased sensitivity to norepinephrine.
  • (13) The preoperatory treatment is associated: blocking of adrenergic alpha-receptors and beta-receptors; correction of hypovolemia, also applied during the surgical phase I (until the venous ligature is made and the tumor excised) under continuous monitoring (ECG, ABP and central venous pressure).
  • (14) Venous ligature was performed in five with good effect in two.
  • (15) Electron-optic investigation revealed mitochondrial alterations 30 minutes after ligature of the pulmonary veins and 2 hours after that of the pulmonary arteries.
  • (16) After rhizotomia (Dandys method) 3 patients died, one of them because of a meningitis, one of them because of damage of the superior petrosal vein and one after ligature of an irregular auditive artery.
  • (17) According to maturity stage of the newborn and to the time period between removal of the cervical ligature and delivery we judged the effectiveness and the necessity of Shirodkar operation in the different patient groups.
  • (18) Six monkeys had significant drops in alveolar bone mass 14 days after the the application of a silk ligature around the gingival margin of an adjacent tooth.
  • (19) The authors studied the development of collateral circulation between the thoracic duct and the azygous vein system, in 30 adult dogs, after thoracic duct ligature.
  • (20) Ligature of the rat bile duct induces a large and selective increase of the IgA level in serum.