(n.) A small instrument of steel, sharply pointed at one end, with an eye to receive a thread, -- used in sewing.
(n.) See Magnetic needle, under Magnetic.
(n.) A slender rod or wire used in knitting; a knitting needle; also, a hooked instrument which carries the thread or twine, and by means of which knots or loops are formed in the process of netting, knitting, or crocheting.
(n.) One of the needle-shaped secondary leaves of pine trees. See Pinus.
(n.) Any slender, pointed object, like a needle, as a pointed crystal, a sharp pinnacle of rock, an obelisk, etc.
(v. t.) To form in the shape of a needle; as, to needle crystals.
(v. i.) To form needles; to crystallize in the form of needles.
Example Sentences:
(1) Needle acupuncture did, however, increase the pain threshold compared with the initial value (alpha = 0.1%).
(2) The fine needle aspiration cytology features of twelve peripherally located bronchioloalveolar cell carcinomas of the lung diagnosed by fine needle aspiration biopsy are described.
(3) Needle insertion close to the midline is the safest technique.
(4) The intra cellular free amino acid concentrations of skeletal muscle were determined in tissue specimens obtained before operation and on the third postoperative day using a percutaneous needle biopsy technique.
(5) The results showed the kind of needling sensation while acupuncture had close relation with the appearance of PSM and the acupuncture effect.
(6) Use 3-ml Luer-Lok syringes and 30-gauge needles and thread the needle carefully into the vessel while using slow and steady injection with light pressure.
(7) US guidance facilitated placement of a 22-gauge needle by means of a subxyphoid or transthoracic approach.
(8) These findings in a patient with acute leukaemia are strongly suspicious of fungal infection, and percutaneous fine-needle aspiration under ultrasound or computed tomography-guidance is indicated.
(9) Nuclear DNA distribution in fine-needle specimens from 112 breast carcinomas and 45 prostatic tumours was studied.
(10) Recent reports have indicated the usefulness of nuclear grooves (clefts or notches) as an additional criterion for the diagnosis of papillary thyroid carcinoma in fine needle aspirates; most of these studies were carried out on alcohol-fixed material stained with the Papanicolaou stain or with hematoxylin and eosin, which yield good nuclear details.
(11) The retreating rate constants deduced from the dissolution results were well coincident with the values directly determined by the needle penetration method, suggesting good applicability of the proposed equation.
(12) One to 6 needles were used on each occasion in a maximum of 3 treatments.
(13) Using a special electromyographic hypodermic needle, we injected botulinum A toxin into one of the vocal folds of two patients with severe spasmodic dysphonia.
(14) One hundred thirty-two of 397 consecutive percutaneous fine needle aspirations done at the University of Virginia between January, 1979, and December, 1984, for pulmonary lesions showed no evidence of cancer on cytological examination.
(15) The method can be successfully applied to richly cellular needle aspirates.
(16) During the surgery for the purpose of removal of the tumor, needle type-O2 sensors were inserted into femoral artery and in brain tumor to measure PaO2 and intratumoral O2 pressure.
(17) Consequently the puncture site becomes small (a balloon-catheter may be introduced through a 16 G catheter needle) allowing punctures proximal to lesions (e.g.
(18) The results of 1245 amniocenteses performed by the "free hand needle" technique and ultrasonic control are discussed.
(19) Various methods have so far been used to treat pneumothorax, including rest, needle exsufflation and blind drainage.
(20) This article demonstrates the importance of the use of immunocytochemical methods on fine-needle aspirates to diagnose metastases to the breast.
Sensor
Definition:
(a.) Sensory; as, the sensor nerves.
Example Sentences:
(1) Different measurements were repeated for five sensors.
(2) A pressure sensor in the patient line prevents excessive inflow and outflow pressures by stopping the inflow or outflow pump respectively.
(3) As an inspiratory monitor in the curarized patient, the sensor responds quantitatively to persisting spontaneous tidal volumes of 1 ml.
(4) You're more likely to awake refreshed, because inside your mattress there's a special sensor that monitors your sleeping rhythms, determining precisely when to wake you so as not to interrupt an REM cycle.
(5) Enzyme sensors requiring reagent and controlled pH to detect substrate at non-steady-state conditions are described.
(6) After every third inhalation trial and after the injection the rats were placed on a movement sensor for 3 min.
(7) During the surgery for the purpose of removal of the tumor, needle type-O2 sensors were inserted into femoral artery and in brain tumor to measure PaO2 and intratumoral O2 pressure.
(8) During the measurement, the values of previously selected features of sensor output signal are determined; then they serve as the input data for computation of concentrations of glucose and of interfering substances.
(9) Efforts to obtain long term, reliable direct measurements of blood pressures have not been successful because of blood clotting impairing the function of sensors, baseline drift, artifacts on measurements, and health hazard-related catheterization.
(10) The algorithm is an improvement over the sphere model in that it considers two distinct surfaces: an ellipsoid, to model the region of the skull on which the sensors are placed, and a sphere as the medium in which the current dipole model is considered.
(11) An electromagnetic flow sensor was placed around the middle uterine artery and electromyogram electrodes were attached to the uterus.
(12) This sensor has been used in flow injection to determine oxalate, alkylamines, and NADH.
(13) When the glass pH electrode data were above 5.1, the pH sensor tended to show lower pH values than glass pH electrode.
(14) The sensor's hysteresis is about 8 percent at 40 degrees Celsius (C) and 12 percent at 20 degrees C. The sensor has a maximal nonlinearity of 8 percent and a worst-case nonrepeatibility of 7 percent.
(15) All ports were successfully placed under local anesthesia, with catheter tip location determined by an electronic sensor wand.
(16) The GCN4 protein mediates the response of the transcriptional apparatus to the environmental signal 'amino acid limitation', while PHO2 seems to be the phosphate sensor that adjusts the response to the availability of phosphate precursors.
(17) The non-specific sensor response may be reduced by a combination of biologic sensors.
(18) These data imply that GTP-binding proteins (G-proteins) are not involved in coupling the voltage sensors to Ca2+ release in skeletal muscle.
(19) A ventricular rate responsive pacemaker was implanted in all patients, with sensors responsive to muscular activity in one patient, and to minute ventilation in three.
(20) A single combined transcutaneous sensor for PO2 and PCO2 was evaluated in a neonatal intensive care unit.