What's the difference between injection and needle?

Injection


Definition:

  • (n.) The act of injecting or throwing in; -- applied particularly to the forcible throwing in of a liquid, or aeriform body, by means of a syringe, pump, etc.
  • (n.) That which is injected; especially, a liquid medicine thrown into a cavity of the body by a syringe or pipe; a clyster; an enema.
  • (n.) The act or process of filling vessels, cavities, or tissues with a fluid or other substance.
  • (n.) A specimen prepared by injection.
  • (n.) The act of throwing cold water into a condenser to produce a vacuum.
  • (n.) The cold water thrown into a condenser.

Example Sentences:

  • (1) All rats were examined in the conscious, unrestrained state 12 wk after induction of diabetes or acidified saline (pH 4.5) injection.
  • (2) Intrathecal injection of zopiclone potentiated morphine antinociception, while the intracerebroventricular injection of zopiclone failed to enhance morphine antinociception and the intracerebroventricular injection of flumazepil to antagonize the intraperitoneal-zopiclone-induced increase in morphine antinociception.
  • (3) The liver metastasis was produced by intrasplenic injection of the fluid containing of KATOIII in nude mouse and new cell line was established using the cells of metastatic site.
  • (4) Injection of resistant mice with Salmonella typhimurium did not result in the induction of a population of macrophages that expressed I-A continuously.
  • (5) within 12 h of birth followed by similar injections every day for 10 consecutive days and then every second day for a further 8 weeks, with mycoplasma broth medium (tolerogen), to induce immune tolerance.
  • (6) In addition, intravenous injection of complexes into rabbits showed optimal myocardial images with agents of intermediate lipophilicity.
  • (7) ), the concentration of AMPO in the hypothalamus was 5.4 times the concentration at 20 h after one injection.
  • (8) Electronmicroscopical investigations have revealed that, under normal conditions, a minor vesicular transfer of intravenously injected peroxidase occurs across the endothelium in segments of arterioles, capillaries and venules, especially in arterioles with a diameter about 15-30 mu.
  • (9) 5-Azacytidine (I) stability was increased approximately 10-fold over its stability in water or lactated Ringer injection by the addition of excess sodium bisulfite and the maintenance of pH approximately 2.5.
  • (10) To examine the central nervous system regulation of duodenal bicarbonate secretion, an animal model was developed that allowed cerebroventricular and intravenous injections as well as collection of duodenal perfusates in awake, freely moving rats.
  • (11) RNAs encoding a wild-type (RBK1) and a mutant (RBK1(Y379V,V381T); RBK1*) subunit of voltage-dependent potassium channels were injected into Xenopus oocytes.
  • (12) Sixteen patients in whom schizophrenia was initially diagnosed and who were treated with fluphenazine enanthate or decanoate developed severe depression for a short period after the injection.
  • (13) Effects of OT injection and OT application were independent.
  • (14) Completeness of isolation of the coronary and systemic circulations was shown by the marked difference in appearance times between the reflex hypotensive responses from catecholamine injections into the isolated coronary circulation and the direct hypertensive response from a similar injection when the circulations were connected as well as by the marked difference between the pressure pulses recorded simultaneously on both sides of the aortic balloon separating the two circulations.4.
  • (15) The mRNA produced in vitro was injected into Xenopus oocytes with the mRNA encoding the Na+,K+-ATPase beta subunit of Torpedo electroplax.
  • (16) The region containing the injection stop signal (iss) has been cloned and sequenced and found to contain numerous large repeats and inverted repeats which may be part of the iss.
  • (17) Comparison if single injections of MSB and atropine in normal subjects also demonstrated a more reliable dose-response relationship with MSB.
  • (18) injection of various inflammatory mediators, the vasopressor effect of i.a.
  • (19) The study revealed that hypophysectomy and ventricular injection of AVP dose dependently raised pain threshold and these effects were inhibited by naloxone.
  • (20) An intravenous bolus of 300 micrograms.kg-1 of 3-desacetylvecuronium was rapidly injected into the jugular vein.

Needle


Definition:

  • (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.