(v. t.) A wheel with a broad rim, or grooved rim, for transmitting power from, or imparting power to, the different parts of machinery, or for changing the direction of motion, by means of a belt, cord, rope, or chain.
(b. t.) To raise or lift by means of a pulley.
Example Sentences:
(1) The model consists of electrically stimulating the lower leg muscles to contract against a weighted pulley bar.
(2) The traumatic agent is the sudden extension while the finger is holding an object and the flexor digitorum profundus is strongly contracted: the tendon retracts and the stump can be found either at the distal pulley, at the bifurcation of the superficialis tendon, or in the palm of the hand.
(3) Nine tendons were repaired with each of four suture patterns: single-locking loop, double-locking loop, triple-locking loop, or three-loop pulley.
(4) There was no evidence of a synovial cell layer on the surface of the A1 pulleys in either normal or trigger digits.
(5) The "pulley effect" of the skin and soft tissue as a supplement to the fibro-osseous pulleys in reducing tendon bow-stringing was also noted.
(6) Therefore, a method was developed to reconstruct the fibro-osseous pulleys with polytetrafluoroethylene (PTFE) membrane.
(7) The pulleys were studied in specific configurations to determine their effectiveness in transforming tendon excursion into finger flexion.
(8) Pulley advancement increased the tendon excursion required to flex this joint and thus the mechanical advantage at this joint, but only when the joint was partly flexed.
(9) It is not yet known whether it has sufficient breaking strength to meet the functional demands of human pulleys.
(10) Suddenly, we were back in the age of ropes and pulleys and brute strength to deliver her into the hands of the mechanised world.
(11) Pulley positions are relatively constant throughout postnatal development, with the gross anatomic characteristics correlating closely to those of the adult hand.
(12) Some rigged up pulley systems to hoist shopping to their windows, where the glass was cracked and fixed with tape.
(13) The whole flexor apparatus was resected and a single digital pulley (A 2) was reconstructed, using segments of the animals own deep flexor tendon.
(14) Suggested minimum requirements for the breaking strength of artificial implant pulleys may be made based on these studies.
(15) Flexor pulley restoration and the importance of maintaining strong pulley support are discussed and surgical techniques including those for flexor tendon grafting and reconstruction are described.
(16) The transverse fibers of the palmar aponeurosis are attached by vertical septa to the underlying transverse metacarpal ligament and thus form a pulley over the flexor tendons.
(17) The synthetic Nitex pulley appears to have the potential to function as an effective fibro-osseous pulley replacement.
(18) The triple-locking loop and three-loop pulley patterns were close in strength and only the triple-locking loop was stronger than the double-locking loop.
(19) The long-term results of the key grip procedure (tenodesis of the flexor pollicis longus tendon to the radius, release of the A1 pulley, and percutaneous pin fixation of the interphalangeal joint of the thumb) were evaluated in 10 tetraplegic patients.
(20) Satisfactory grip functions were restored for all patients after the secondary pulley reconstruction.
Zone
Definition:
(n.) A girdle; a cincture.
(n.) One of the five great divisions of the earth, with respect to latitude and temperature.
(n.) The portion of the surface of a sphere included between two parallel planes; the portion of a surface of revolution included between two planes perpendicular to the axis.
(n.) A band or stripe extending around a body.
(n.) A band or area of growth encircling anything; as, a zone of evergreens on a mountain; the zone of animal or vegetable life in the ocean around an island or a continent; the Alpine zone, that part of mountains which is above the limit of tree growth.
(n.) A series of planes having mutually parallel intersections.
(n.) Circuit; circumference.
(v. t.) To girdle; to encircle.
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) There was a linear increase in the dimensions of these zones after the chewing.
(3) In hypophysectomized rats the activity of alanine aminotransferase was increased, but its normal zonation (predominance in the periportal zone) was preserved.
(4) The lesion (10.6 X 9.8 mm) was a well-defined ellipsoid granuloma due to a foreign body with a central zone of necrosis surrounded entirely by a fibrous wall.
(5) Anterior borderzone brachial paralysis (ABBP) is a hemodynamic ischemic syndrome of the watershed zone between the anterior and middle cerebral arteries.
(6) Employed method of observation gave quantitative information about the influence of odours on ratios of basic predeterminate activities, insect distribution pattern and their tendency to choose zones with an odour.
(7) In case of isolated damage of deep flexor tendon of the II-V fingers at the level of the I zone there were made palliative operations of 12 fingers: tenodesis and arthrodesis of distal interphalangeal articulation in functionally advantageous position.
(8) Good follow-up results in the zone 2, 3, 4 and 6 of VERDAN are observed only 6 to 17 percent (fig.
(9) The changes were apparent as hypofluorescent zones in the angiogram.
(10) The use of functional test with the ACTH administration demonstrated organic affection of the CNS to sharply aggravate the weakening and even the exhaustion of the functional reserves of the glomerular and the reticular zones of the adrenal cortex developing during thyrotoxicosis, and also the reserve possibilities of the sympathico-adrenal system.
(11) In the dark cortical zone of the nodes (III group) there occur tissue basophils (mast cells), that, together with increasing number of acidophilic granulocytes and appearance of neutrophilic cells, demonstrates that there is an inflammatory reaction in the organ studied as a response to the lymphocytic suspension injected.
(12) Results of detailed studies on tissue reactions to Cysticercus bovis in the heart of cattle, together with a comparison of findings in animals with spontaneous and experimental infection, and an evaluation of tissue reactions in relation to the location, morphology and morphogenesis of C. bovis provided evidence for the fact that in general, the response of the heart to the presence of C. bovis was an inflammatory reaction characterized by the origin of a pseudoepithelial border and a zone of granulation tissue.
(13) However, in the normal and border zones of the verapamil group the mitochondria are smaller when compared with the respective zones in the two other groups, but increases relatively more in size in the border and ischaemic zones.
(14) Refolding was observed by injection of denatured protein into columns having isocratic concentrations in the transition and native base-line zones.
(15) The distribution of cells at the stage of DNA synthesis and mitosis in all the parietal peritoneum speaks of the absence of special proliferation zones.
(16) Subcortical leukomalacia occurs in this triangle as well as in border zones between the major cerebral arteries.
(17) This contrasts sharply with the reduction in both the frequency and surface area of sensory neuron active zones that accompanies long-term habituation, and suggests that modulation of active zone number and size may be an anatomical correlate that lies in the long-term domain.
(18) Thus, multiparae had very thick border zones composed predominantly of large nodules and, additionally, of vacuolated cells and fibrous tissue.
(19) Acute transmural myocardial infarction has been reported to functionally denervate the normal myocardium distal to the infarcted zone by interrupting neurotransmission in axons coursing in the subepicardial region of the myocardial necrosis.
(20) In the modified test, shake cultures in Brewer's fluid thioglycolate medium with 0.3% agar added are observed for growth in the anaerobic zone of the tubes.