What's the difference between needle and pin?

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.

Pin


Definition:

  • (v. t.) To peen.
  • (v. t.) To inclose; to confine; to pen; to pound.
  • (n.) A piece of wood, metal, etc., generally cylindrical, used for fastening separate articles together, or as a support by which one article may be suspended from another; a peg; a bolt.
  • (n.) Especially, a small, pointed and headed piece of brass or other wire (commonly tinned), largely used for fastening clothes, attaching papers, etc.
  • (n.) Hence, a thing of small value; a trifle.
  • (n.) That which resembles a pin in its form or use
  • (n.) A peg in musical instruments, for increasing or relaxing the tension of the strings.
  • (n.) A linchpin.
  • (n.) A rolling-pin.
  • (n.) A clothespin.
  • (n.) A short shaft, sometimes forming a bolt, a part of which serves as a journal.
  • (n.) The tenon of a dovetail joint.
  • (n.) One of a row of pegs in the side of an ancient drinking cup to mark how much each man should drink.
  • (n.) The bull's eye, or center, of a target; hence, the center.
  • (n.) Mood; humor.
  • (n.) Caligo. See Caligo.
  • (n.) An ornament, as a brooch or badge, fastened to the clothing by a pin; as, a Masonic pin.
  • (n.) The leg; as, to knock one off his pins.
  • (n.) To fasten with, or as with, a pin; to join; as, to pin a garment; to pin boards together.

Example Sentences:

  • (1) However, while the precise nature of the city’s dietary problems is hard to pin down, the picture regarding physical activity is much clearer.
  • (2) In difficult fractures we feel that change from external to internal fixation should be performed earlier; it makes early removal of the fixator pins possible and prevents the problems associated with prolonged use of fixator frames.
  • (3) The changes in nuclear morphology (karyometry) and DNA content in prostatic intraepithelial neoplasia (PIN) were analyzed on tissue sections.
  • (4) They had been pinning their hopes on Alan Johnson who has, in their eyes, the natural authority and ease of manner which Miliband has struggled to develop.
  • (5) During powder compaction on a Manesty Betapress, peak pressures, Pmax, are reached before the punches are vertically aligned with the centres of the upper and lower compression roll support pins.
  • (6) In the absence of boxes or grooves, pins markedly enhanced both retention and resistance.
  • (7) Small threaded pins do not cause femoral head rotation.
  • (8) A Charnley apparatus or turnbuckles placed between the pins on each side of the fracture provided the mechanical advantage for repositioning the fracture fragments and achieving rigid fixation during healing.
  • (9) Ankle arthrodesis treated by external fixation frequently results in complications from pin tract infections, loss of position, nonunion, and malunion.
  • (10) There were no cases of pin-track osteomyelitis, fractures through pintracks, or neurovascular damage from pin insertion.
  • (11) We discuss the indications for operative treatment and the technique of internal fixation with 3 resorbable pins.
  • (12) Major pin-tract infections are a potentially dangerous complication associated with the use of skeletal transfixation pins.
  • (13) The OECD pinned the blame for the disadvantage for girls in maths and science on low expectations among parents and teachers, as well as lack of self-confidence and what it called the ability to “think like a scientist” in answering problems.
  • (14) Retrograde intramedullary pinning was accomplished in all calves, using 2 (n = 4 calves) or 3 (n = 8 calves) pins.
  • (15) The defective pinF gene is suggested to hae the same origin as P-pin on e14 by the restriction map of the fragment cloned from a Pin+ transductant that was obtained in transduction from S. flexneri to E. coli delta pin.
  • (16) The document says that Sienna Miller suspected her mobile phone was not secure and changed it twice, but Mulcaire's handwritten notes show that he succeeded in obtaining the new number, account number, pin code and password for all three phones.
  • (17) The probe tip was a gold-plated pin, insulated from the saliva by soft wax.
  • (18) One hundred patients were treated with the Rydell four-flanged nail and 100 with the Gouffon pins.
  • (19) In AP and lateral radiographs of the hip, measurements are made of the cervicofemoral angles, the diameter of the femoral head and neck, and the distances from the central femoral neck axis to each pin.
  • (20) Subjective pain ratings of mucosal pin-prick decreased a surprisingly small degree after application of both solutions.

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