(n.) The act of turning or twisting, or the state of being twisted; the twisting or wrenching of a body by the exertion of a lateral force tending to turn one end or part of it about a longitudinal axis, while the other is held fast or turned in the opposite direction.
(n.) That force with which a thread, wire, or rod of any material, returns, or tends to return, to a state of rest after it has been twisted; torsibility.
Example Sentences:
(1) Prompt diagnosis, in which timely diagnostic laparoscopy and ultrasound evaluation of the pelvis may be helpful, provides the opportunity for prompt laparotomy with untwisting of the torsion and stabilization of the adnexa by suture and cystectomy, if possible, extirpation if not.
(2) In testing the contribution of the long, curved stem to the torsional stability of uncemented prostheses by comparing it with other stems, the long, curved stem was the most stable, followed by a shorter straight stem, and a short, proximally curved stem.
(3) The importance of prompt diagnosis of torsion is emphasized.
(4) In this paper, we develop functions suggested by and regression fit to crystallographic data which allow three of these torsion angles, alpha (O3'-P-O5'-C5'), delta (C5'-C4'-C3'-O3') and epsilon (C4'-C3'-O3'-P), to be calculated as dependent variables of those remaining.
(5) An alternative explanation, that there may be a pre-existing defect in spermatogenesis, was tested in 20 post-pubertal males with acute torsion.
(6) We measured the stiffness of comparable configurations (1 or 2 bars) under axial compression, four-point-bending in two planes, and torsion.
(7) (4) The spine becomes less flexible in the presence of preload when it is subjected to axial tension or axial torsion.
(8) On celiotomy, peritoneal effusion was present secondary to torsion of a 10 x 6 cm right ovarian cyst.
(9) Since some of these patients closely resembled cases of idiopathic torsion dystonia, the prior occurrence of asphyxia should be used as a criterion of exclusion for that diagnosis.
(10) These sequences adopt cruciform geometry when the DNA helix is torsionally strained by negative supercoiling.
(11) Gastric volvulus is an uncommon condition in which an acquired torsion of the stomach results in acute or chronic gastrointestinal symptoms.
(12) The adenine moiety is nearly planar and the torsional angle of the glycosidic linkage O(4')-C(1')-N(3)-C(4) is -161.5 degrees.
(13) Using the single criterion of presence or absence of identifiable intratesticular flow, the authors found that color Doppler was 86% sensitive, 100% specific, and 97% accurate in the diagnosis of torsion and ischemia in the painful scrotum.
(14) A single nucleotide structure having an anti adenine-ribose glycosidic torsional angle of -114 degrees was found to satisfy the experimental distance constraints.
(15) In group I (torsion maintained), unilateral torsion of the spermatic cord was maintained until the day of sacrifice; in group II (torsion and untwist), torsion of the spermatic cord was maintained for 8 to 12 hours, then the spermatic cord was untwisted and the testis was retained until the day of sacrifice.
(16) Values for helical torsional angles phi and psi assume a much wider range than anticipated.
(17) We report the clinical findings, diagnostic problems and treatment of a 1-year-old Coloured child (with classic 'prune belly syndrome') in whom the spleen had undergone torsion, thus simulating an intra-abdominal abscess.
(18) Idiopathic torsion dystonia (ITD) is characterized by sustained, involuntary muscle contractions, frequently causing twisting and repetitive movements or abnormal postures.
(19) The effect of increasing torsional stress on the conformation of the composing elements was determined by analysis of the sensitivity to the single strand-specific S1 endonuclease and it was observed that the sites of conformational alterations correspond to the positions relevant for promoter function (upstream activator sequence, TATA sequence, and RNA initiation site).
(20) Intranucleotide proton-proton distances combined with the knowledge of sugar puckers have been used to fix the glycosidic bond torsion angle (chi).
Tortion
Definition:
(n.) Torment; pain.
Example Sentences:
(1) As shown in this case, tortion of the tube can occur in cases of genital tuberculosis.
(2) 02 and 03 describe a tortional motion of the ethidium bromide.
(3) Since acute bleeding into the fallopian tube may be pathognomonic for tortion this factor should be considered when the findings at laparotomy are interpreted.
(4) The clinical picture and the pathogenesis of the isolated tortion of the fallopian tube is discussed.
(5) Tortion of a hematosalpinx requires additional diagnostic measures to detect the underlying disease.
(6) In contrast, the second case experienced episodes of static vertical and tortional diplopia similar to the case reported to by Clark.
(7) The strength of fixation with this nail was compared to those with four other commercially available interlocking nails as to bending, tortional and compression stiffness as well as to the durability against repeated compression.
(8) The creep and recovery of microspecimens of glass-ionomer cements was studied using a tortional creep apparatus.
(9) It is then possible to differentiate partial and total tortion from acute epididymoorchitis.
(10) The use of temperature-sensitive mutants in topoisomerase II have demonstrated roles in the relaxation of tortional stress, reduction of recombination rates, and in the separation of sister chromatids after replication.
(11) The first case is a girl with longstanding history of oscillopsia, vertical and tortional oscillatory diplopia.
(12) A case of recurrent contralateral isolated tortion of tubercle hematosalpinx four years after the first event is reported.
(13) This disease is considered to be rare and the etiology of isolated tortion of the tube is largely unknown.
(14) With partial tortion, a conservative operation with fixation of the testis can be recommended instead of semicastration.
(15) Greater arterial narrowing resulted from tortion due to nephroptosis brought about by excessive renin secretion.
(16) All publications dealing with tortion of the testis stress the difficulty of diagnosis and the frequency of errors.