What's the difference between scar and stain?

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.

Stain


Definition:

  • (v. t.) To discolor by the application of foreign matter; to make foul; to spot; as, to stain the hand with dye; armor stained with blood.
  • (v. t.) To color, as wood, glass, paper, cloth, or the like, by processess affecting, chemically or otherwise, the material itself; to tinge with a color or colors combining with, or penetrating, the substance; to dye; as, to stain wood with acids, colored washes, paint rubbed in, etc.; to stain glass.
  • (v. t.) To spot with guilt or infamy; to bring reproach on; to blot; to soil; to tarnish.
  • (v. t.) To cause to seem inferior or soiled by comparison.
  • (v. i.) To give or receive a stain; to grow dim.
  • (n.) A discoloration by foreign matter; a spot; as, a stain on a garment or cloth.
  • (n.) A natural spot of a color different from the gound.
  • (n.) Taint of guilt; tarnish; disgrace; reproach.
  • (n.) Cause of reproach; shame.
  • (n.) A tincture; a tinge.

Example Sentences:

  • (1) The patterns observed were: clusters of granules related to the cell membrane; positive staining localized to portions of the cell membrane, and, less commonly, the whole cell circumference.
  • (2) Within the outflow tract wall, the labelled cells were enmeshed by strands of alcian blue-stained extracellular matrix.
  • (3) The nuclear origin of the Ha antigen was confirmed by the speckled nuclear immunofluorescence staining pattern given by purified antibody to Ha obtained from a specific immune precipitate.
  • (4) The content of the cavities was not stained by any of the immunocytochemical reactions applied.
  • (5) The dependence of fluorescence polarization of stained nerve fibres on the angle between the fibre axis and electrical vector of exciting light (azimuth characteristics) has been considered.
  • (6) Moreover, in DCVC-treated cells the mitochondria could not be stained with rhodamine-123, indicating severe mitochondrial damage and loss of membrane potential.
  • (7) Immunofluorescent staining for HLA-DR showed dermal positivity in 12 of 13 involved- and 9 of 13 uninvolved-skin biopsy specimens from scleroderma patients, compared with only 1 of 10 controls.
  • (8) From these results it was concluded that FITC-Con A staining method applied to smear specimens is more advantageous in the rapidity and the simplicity for tumor cell diagnosis than section specimen method.
  • (9) Further purification of ZAB by filtration through Sephadex G-100 gave a preparation (ZAB2) which contained the common antigen as shown by the cross-reactivity of anti-ZAB2 rat serum with seven stains of N. gonorrhoeae.
  • (10) It has been found that the epidermal staining pattern for ICAM-1 in each of these diseases in distinctive and different in each disease.
  • (11) After either 5 or 10 days of culture with both cytokines, intense immunofluorescent staining for Ia could be identified on the surface of greater than 80-90% of the viable islet cells.
  • (12) In the second comparison, HSV was isolated from 225 of 1,026 (21.9%) specimens and duplicate human foreskin fibroblast cell wells stained at 24 and 72 h were PAP positive in 241 of 1,026 (23.5%).
  • (13) The epithelium of Brunner's gland stained intensely with Ricinus communis agglutinin-I (RCA-I), succinylated-WGA (S-WGA) and wheat-germ agglutinin (WGA), moderately with Bandeirea simplicifolia agglutinin-I (BS-I), Concanavalia ensiformis agglutinin (Con A) peanut agglutinin (PNA) and Ulex europaeus agglutinin-I (UEA-I) and occasionally with Dolichos biflorus agglutinin (DBA), Lens culinaris agglutinin (LCA) and soybean agglutinin (SBA).
  • (14) Using serial section electron microscopic reconstructions as a reference, we have chosen as our standard procedure a method that maximizes both the preservation of the cytoskeleton and the proportion of cells staining, while minimizing the degree of nonspecific staining.
  • (15) One major band with a molecular weight of 12,000 was detected by autofluorography and coincided with the Coomassie staining band of apocytochrome c from S. cerevisiae.
  • (16) Pitlike surface structures seen in negatively stained whole cells and thin sections were correlated with periodically spaced perforations of the rigid sacculus.
  • (17) In the present study, 125 oesophageal biopsies obtained under direct vision at endoscopy from 22 patients with Barrett's oesophagus were systematically studied using fluorescence and peroxidase antiperoxidase single and double-staining immunocytochemical methods employing highly specific antibodies to localize the following peptide-containing cell types in Barrett's mucosa: gastrin, somatostatin, gastric inhibitory polypeptide, motilin, neurotensin and pancreatic glucagon.
  • (18) The rate of nuclei stained by Pr-122 is different from that of Pr-192 in both growing and quiescent cultures.
  • (19) This light microscopic comparison of viable FDA- and nonviable PI-stained cysts of G. muris demonstrates that 2 types of cysts can be distinguished and implies that structural differences can be used to identify these subpopulations of cysts.
  • (20) Benign and malignant epithelial and soft tissue tumors of the skin were usually negatively stained with MoAb HMSA-2.