What's the difference between scar and weal?

Scar


Definition:

  • (n.) A mark in the skin or flesh of an animal, made by a wound or ulcer, and remaining after the wound or ulcer is healed; a cicatrix; a mark left by a previous injury; a blemish; a disfigurement.
  • (n.) A mark left upon a stem or branch by the fall of a leaf, leaflet, or frond, or upon a seed by the separation of its support. See Illust.. under Axillary.
  • (v. t.) To mark with a scar or scars.
  • (v. i.) To form a scar.
  • (n.) An isolated or protruding rock; a steep, rocky eminence; a bare place on the side of a mountain or steep bank of earth.
  • (n.) A marine food fish, the scarus, or parrot fish.

Example Sentences:

  • (1) The authors examined an eye obtained post-mortem from a patient with chronic granulomatous disease of childhood and clinically apparent chorioretinal scars.
  • (2) 14 patients with painful neuroma, skin hyperesthesia or neuralgic rest pain were followed up (mean 20 months) after excision of skin and scar, neurolysis and coverage with pedicled or free flaps.
  • (3) In spite of the presence of scar tissue following rhytidectomy, this procedure has been quite successful because of the rich blood supply in that area.
  • (4) Following a dosage of 300,000 IU streptokinase the lysis was stopped because of severe bleeding from the urethrotomy scar.
  • (5) Differences in scar depression also supported the idea of more stretching in the Dexon group.
  • (6) These findings support the hypothesis that the presence of FSC tissue will have an effect on the persistence of glial scar tissue in a chronic lesion site as well as limit the extent to which a new scar is formed in response to a second injury to the spinal cord.
  • (7) Thirty patients required a second operation to an area previously addressed reflecting inadequacies in technique, the unpredictability of bone grafts, and soft-tissue scarring.
  • (8) The observed clinical findings include scarring of the face and hands (83.7%), hyperpigmentation (65%), hypertrichosis (44.8%), pinched facies (40.1%), painless arthritis (70.2%), small hands (66.6%), sensory shading (60.6%), myotonia (37.9%), cogwheeling (41.9%), enlarged thyroid (34.9%), and enlarged liver (4.8%).
  • (9) To test this hypothesis 30 Wistar rats were subjected to laparotomy and colonic resection and treated with 5-Fluorouracil or Mitomycin C. The bursting strength of the abdominal scars and the colonic anastomotic bursting pressure revealed some interference in the rats treated with 5-Fluorouracil (Student's t test P less than 0.05) but none in the case of Mitomycin C. This preliminary study deserves to be followed up.
  • (10) The patient suffers little inconvenience, has a very small scar and is in hospital only a short time.
  • (11) Skin affected by a burn cancer is scarred, ulcerated, and often appears as erythema ab igne clinically in adjacent skin.
  • (12) Extraction tools included flexible, telescoping sheaths advanced over the lead to dilate scar tissue and apply countertraction, deflection catheters, and wire basket snares.
  • (13) The ensuing scars were similar with respect to scar width and the amount of collagen in the scar.
  • (14) Several stages in its histogenesis may be discerned: I. focal necroses of hepatic cells associated with their invasion with lister Listeria; 2. appearance of cellular elements around the foci of necroses with subsequent formation of granulemas consisting mainly of leucocytes and lymphoid cells; 3. development of necrobiotic changes in the central areas of granulemas with concomitance of exudative processes; 4. organization of necrotic foci with subsequent scarring.
  • (15) This method keeps the fracture closed and leaves no scar.
  • (16) Regarding ureters read as true positives on indirect study, if that ureter has ever shown reflux at any time, or if it drained a scarred kidney specificity was improved to 97% without changing the sensitivity.
  • (17) Both acquired defects were covered by two different cross-finger flap techniques, despite extensive scarring of the adjacent finger.
  • (18) After the completion of rejection reaction, inflammation finally induced scarring or necrosis of the tracheal allograft, resulting in asphyxia or perforation.
  • (19) Autopsy findings showed no scar formation of his testes, and the primary lesion was finally diagnosed to be in the anterior mediastinum.
  • (20) Following this combination procedure the patients were relieved completely of obstructive jaundice and right upper quadrant pain, leaving only small trocar insertion scars made during the short course of hospitalization.

Weal


Definition:

  • (n.) The mark of a stripe. See Wale.
  • (v. t.) To mark with stripes. See Wale.
  • (adv.) A sound, healthy, or prosperous state of a person or thing; prosperity; happiness; welfare.
  • (adv.) The body politic; the state; common wealth.
  • (v. t.) To promote the weal of; to cause to be prosperous.

Example Sentences:

  • (1) A definite dose-response relationship was demonstrated between the weal and flare areas and the three active treatments.
  • (2) Formation of both weals and flares was significantly inhibited by cetirizine administered by either route; weals were inhibited as early as 20 min after oral intake but not clearly inhibited until 90 min after sublingual intake.
  • (3) After blockade of the axon reflex with lidocaine the histamine-induced weals turned white at the centre.
  • (4) For all drugs the maximal weal suppression with the dosage chosen was recorded the day after the last dosage, being 29% (for dexchlorfeniramine), 72% (for cyproheptadine), 50% (for astemizole), 62% (for loratadine), and 56% (for terfenadine) of the baseline value.
  • (5) After injection of 0.5 microgram terbutaline inhibition of the flare and weal responses was demonstrable throughout the observation period of 90 min.
  • (6) Although he supported guidance in general, Mr Weale thought that the inflation “knockout” should apply over a shorter time period than the 18-24 months agreed.
  • (7) Beyond chance agreement (Kappa index) was poor on the assessment of the extension of blue colour (0.33) and prevalence of cherry red spots or red weal marking (0.17) whereas was fair to good (0.40-0.66; P less than 10(-5)) on the following: location, size, lumen occupancy, presence of blue colour, presence and extension of red colour sign, haematocystic spot.
  • (8) A dose-response relationship was demonstrated between weal erythema and 120 mg or 240 mg and 60 mg of terfenadine (p less than 0.05).
  • (9) Martin Weale and Ian McCafferty, both external members of the committee, pushed for a hike to 0.75% in response to lower unemployment and a tightening labour market.
  • (10) This study aimed to quantify the relative reduction in weal and flare area, thickness and erythema at 4, 8, 12 and 24 h following a single but variable oral dose of terfenadine compared with pre-treatment measurements, in order to compare the dose-effect relationship and time course of the different dosages.
  • (11) So for example, a Common Weal Scotland would place a strong emphasis on issues such as a diverse and high quality media, a strong arts and cultural identity, a transformed approach to education, new attitudes to transport and urban planning, careful management of natural resources and the environment and so on.
  • (12) Not only my experience of the period of above-target inflation but also more general statistical analysis suggests that apparently independent inflation shocks tend to come like buses, more than one at a time,” Weale said.
  • (13) Contact with the tentacles of the jellyfish had produced characteristic whiplash-like weals on the skin.
  • (14) Martin Weale was already a suspect and now Ian McCafferty has 'come out'.
  • (15) A similar trend was seen in assessment of the severity of weals, while the treatment regimens had no influence on swelling.
  • (16) The sizes of skin test weal to D. pteronyssinus were related to the levels of specific IgE antibody.
  • (17) The non-invasive technique of LDF is a useful, objective and sensitive technique of quantifying the skin blood flow changes induced by intradermal bradykinin and provides an alternative method of quantifying skin response to intradermal bradykinin to measurement of flare or weal sizes.
  • (18) City dealers said it was possible that rates could be lifted from their emergency level of 0.5% by the end of the year, as three years of unanimous 9-0 decisions at Threadneedle Street ended with Martin Weale and Ian McCafferty calling for the cost of borrowing to be raised by 0.25 percentage points.
  • (19) The reactions to SP were strong, the flare being maximal 3-5 min after injection and the weal after 10-15 min.
  • (20) An early (weal and flare) response is succeeded, in 60% of subjects, by a late-onset area of erythema at the site of the resolved weal, reminiscent of the dual response to allergen in sensitized individuals.