ligation


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Related to ligation: tubal ligation, surgical ligation

ligation

[lī′gā·shən]
(medicine)
Surgical tying of vessels or ducts with a ligature.
(cell and molecular biology)
The process of joining two adjacent nitrogenous bases separated by a nick in one strand of a deoxyribonucleic acid duplex or of two linear nucleic acid molecules.
Formation of a phosphodiester bond to join adjacent nucleotides in the same nucleic acid chain.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Except band ligation (0.76) and injection therapy (0.89), nearly all treatments could maintain above 95% rate of initial hemostasis.
A total of 216 patients (108 patients in each group) were included in the study and were randomized either to the double band ligation group (group A) or the Single band ligation group (group B) based on table of random numbers.
There was a rise in blood pressure at the first week after intervention which then decreased at the second week after intervention in the second, third, and fourth group (ligation and salt diet; sham; sham and salt diet group respectively), but not in the first group (ligation group).
Different parameters affect ligation reaction which include ratio of DNA insert and plasmid vector, temperature and components of buffer (Costa and Weiner, 1994).
Similarly condoms 23 (11.0%) and tubal ligation 22 (10.7%) being the most preferred methods in women aged 21 -25 years (Table-2).
Currently, placental invasion abnormalities are managed via radical or staged cesarean hysterectomy, vascular ligations and balloon embolization, placental retention, complex compression hemostasis for which pelvic packing is combined with uterine balloon placement, and partial hysterectomy for focal placental invasions (3,4).
Only those pretreatment and post treatment mod-els and lateral cephalograms were selected for scanning which met all the inclusion and exclusion criteria as well who were treated according to the passive self ligation philosophy as well with the standard wire sequencing.
Conveniently, most ligases are not thermostable, and most ligation reactions have optimal reaction temperatures well below any of the thermal steps in a PCR, so no fancy enzyme engineering is required for this.
He then talked about HAL (Hemorrhoidal Artery Ligation) and RAR recto anal repair.
In the clinical scenario of an unstable bleeding patient, ligation of veins has stood the test of time.
It was long believed that ligation of the hypogastric arteries would lead to complete cessation of blood flow in the area supplied by these vessels.
(1) operated rats receiving sildenafil, subdivided into 4 groups depending on the time of sacrifice: at 7 days, at 14 days, at 21 days, or at 30 days after ligation;