(a.) Not stable; not standing fast or firm; unstable; prone to change or recede from a purpose; mutable; inconstant.
Example Sentences:
(1) (4) Despite the removal of the cruciate ligaments and capsulo-ligamentous slide, no significant residual instability was found in either plane.
(2) By measurement and analysis of the changes in carpal angles and joint spaces, carpal instability was discovered in 41 fractures, an incidence of 30.6%.
(3) Unrecognized flexion injuries of the cervical spine may lead to late instability and neurologic damage.
(4) Hypermobility and instability following injury and degenerative joint disease is poorly understood and often not recognized as the cause of the patients symptoms.
(5) In these three patients, laxity of the knee in flexion was so severe that posterior instability could not be corrected merely by patellar relocation.
(6) Cubitus valgus or instability due to a pseudarthrosis of the lateral epicondyle or to ligamentous injury may stretch the nerve.
(7) The hypothesis that this instability would lead to more errors and longer decision times for distinguishing left-right mirror-image figures was not supported.
(8) 93 knees in 74 patients between 9 and 20 years of age were operated because of patello-femoral instability.
(9) Whereas in flexion stress all methods showed a sufficient stability, the rotation tests proved, that in case of a dorsal instability of the lower cervical spine, posterior interlaminar wiring or anterior plate stabilization showed no reliable stabilization effect.
(10) There is a paucity of informative data on the potentially important role of specific sites of chromosomal instability in oncogenic processes.
(11) "In-gel renaturation" analysis did not show any DNA amplification of high degree in AT22IJE-T. Cytogenetic analysis showed considerable chromosomal instability in the new cell line, and medium conditioned by these cells contained the clastogenic activity which is characteristic of the parental strain as well.
(12) Instability or a return to violence could follow the imposition of measures that would threaten the ability of the PA to govern in the West Bank.
(13) This approach was used in 42 shoulders with rotator cuff tears or posterior instability without complications of infection, failure of deltoid healing, or compromise of suprascapular or axillary nerves.
(14) Sixteen patients who remained wet had detrusor instability; 9 of these were cured by anticholinergic medications.
(15) Atlantoaxial instability, defined as a gap of over 4 mm, was present in seven (10%) children and two (2%) adults.
(16) With these scores we expect to facilitate the diagnostic screening, to indicate the way of therapy and to avoid unnecessary surgery for urinary incontinence in cases of motor-urge-incontinence (detrusor instability, unstable bladder), as long as a urodynamic examination is not feasible on every incontinent women.
(17) Midcarpal instability occurs at the triquetral-hamate joint and is characterized by a dynamic subluxation of the joint.
(18) Structural instability of pZG1 could therefore be due at least in part to the presence of single-stranded DNA.
(19) Oxidative stress is now shown to occur in BS cells and may be responsible for the observed chromosomal instability.
(20) It is therefore unlikely that the tyrosinylation status directly affects the intrinsic stability of assembled microtubules since the rate of length redistribution is both a sensitive assay and a function of the kinetic parameters governing dynamic instability.
Unstable
Definition:
(a.) Not stable; not firm, fixed, or constant; subject to change or overthrow.
Example Sentences:
(1) Unstable subcapital fractures and dislocation fractures of the humerus can usually be set by closed reduction.
(2) Measurements of mechanical stability of Hb Santa Ana showed that the oxy-form of this hemoglobin was 10 times more unstable than that of Hb S and 100 times more unstable than that of Hb A.
(3) Although operative mortality was significantly greater for women during most of this review period, mortality was similar during 1983 (2.6% for men versus 2.4% for women), in spite of a significantly higher incidence of unstable angina in the female group (54% for women versus 35% for men).
(4) Similar, but less marked changes were seen in the patients unstable angina.
(5) If a tear is found, remove all unstable meniscal fragments, leaving a rim, if possible, especially adjacent to the popliteus recess, and then proceed to open cystectomy.
(6) After the impact … I lost my balance, making my body unstable and falling on top of my opponent,” he said in his submission to the panel, which met on Wednesday, a day after Uruguay had beaten Italy 1-0 in a decisive group-stage match.
(7) The complex was found to be unstable toward low values of pH and ionic strength, concentrations of urea exceeding 1 M, modifications of the cysteine residues, and fragmention in which the C terminal portions of either H3 or H4 are removed.
(8) Then, the males with super-unstable oc-mutations were crossed with females with attached X chromosomes, supporting P-M hybrid dysgenesis.
(9) Since transcription does not take place during mitosis, the amount of protooncogene products is rapidly decreased (they are extremely unstable).
(10) We describe herein, a new unstable mutant of the vestigial locus, isolated from a French natural population.
(11) The Saudi-led war in Yemen launched in March – against Houthi rebels who the Saudis insist are backed by Iran – has diverted resources and underlined the priority being given to the Gulf’s unstable and impoverished backyard.
(12) The hypothesis that opiate agonism requires an N substituent in the axial position does not appear to be consistent with the increased potency of beta isomers in which axial N substituents are thermodynamically more unstable.
(13) These drugs are beneficial also in prevention of recurrent myocardial infarction, especially among patients with unstable angina.
(14) HPLC is of particular value in providing a means of separating unstable compounds prior to assay by relatively nonspecific quantitation methods.
(15) In a cohort of 417 patients admitted consecutively to the Coronary Care Unit for acute myocardial ischemia (unstable angina pectoris in 121, acute myocardial infarction in 296 patients) 21 cases of non arrhythmogenic sudden death occurred within 24 hours after admission.
(16) The homdr mutation is unstable and probably deleterious to the cell.
(17) It is likely that the light chains assemble normally with the HMM fragment in HMM cells, while in cells lacking myosin heavy chain (mhcA) the light chains are unstable.
(18) These findings emphasize the difficulty of identifying patients at low risk for myocardial infarction or unstable angina in the emergency room without consideration of many factors from the history, the physical examination, and the ECG.
(19) During unstable detrusor contractions, which even in these healthy women are observed during bladder filling and also during inhibited voidings through the urethra, the contraction is weaker.
(20) With these scores we expect to facilitate the diagnostic screening, to indicate the way of therapy and to avoid unnecessary surgery for urinary incontinence in cases of motor-urge-incontinence (detrusor instability, unstable bladder), as long as a urodynamic examination is not feasible on every incontinent women.