What's the difference between blotch and stain?

Blotch


Definition:

  • (a.) A blot or spot, as of color or of ink; especially a large or irregular spot. Also Fig.; as, a moral blotch.
  • (a.) A large pustule, or a coarse eruption.

Example Sentences:

  • (1) Everything looks good, the nurse said, and she pointed to a little white blotch: the indisputable sign that we were having a boy.
  • (2) Immune serum stains yeast cells to give a striking pattern of spots and blotches not seen with preimmune serum.
  • (3) In the national forest at Gribskov, Olrik points out an ash that has been cut down, how the beautiful light-coloured wood that makes ash so popular for furniture and other uses is discoloured and blotched.
  • (4) The Abyssinian is incompletely dominant to the striped and blotched alleles, whereas striped is completely dominant to the blotched.
  • (5) Based on the results of agar gel double immunodiffusion tests with broad spectrum rabbit antisera and narrow spectrum mouse immune ascitic fluids and formalin-fixed purified viruses, a close relationship was established between 3 members of the Cucumovirus group namely Robinia mosaic virus (RoMV), clover blotch virus (CBV) and peanut stunt virus (PSV).
  • (6) Three alleles of the tabby locus (T) have been identified, namely, Abyssinian (Ta), striped (T), and blotched (tb).
  • (7) Over the course of the last century, while blotched executions have fueled movement from one execution method to another, they have not posed a serious challenge to the continuing viability of death as a punishment.
  • (8) The amount of LL-N-(2-amino-2-carboxyethyl)aspartic acid which accumulates in the P. teres cultures is low, indicating that aspergillomarasmine A is the toxin which plays the major role in the pathological changes associated with the barley net-spot blotch disease.
  • (9) Both P. putida, the bacterium responsible for initiating basidiome development of A. bisporus, and P. tolaasii, the causal organism of bacterial blotch disease of the mushroom, displayed a positive chemotactic response to Casamino acids and to A. bisporus mycelial exudate.
  • (10) These data indicate that amino acid sequences of coat proteins of azuki bean mosaic virus, the Type and W strains of blackeye cowpea mosaic virus, three isolates (74, PM, PN) of a potyvirus obtained from soybean in Taiwan, and the Blotch and Mild Mottle strains of peanut stripe virus (PStV) may be very similar to the known sequence of PStV Stripe coat protein.
  • (11) The first is the apparent absence of blotched tabby and a relatively high frequency of Abyssinian tabby.
  • (12) All that is left of the grasslands here are yellowing blotches on a stony surface riddled with rodent holes.
  • (13) Abnormalities in MRI were high-intense spots, blotches and streaks, located predominantly in the periventricular area.
  • (14) Ten years later, purplish to brownish blotch and nodules accompanied with heating sensation and pain appeared and increased in size gradually on the left forearm.
  • (15) But look closely and there are telltale signs – purply discoloured blotches on his hands, a trellis of veins running through his cheeks like a Red Windsor cheese.
  • (16) Check for lumps and blotches ; try not to let anyone near your foreskin with a knife without good reason until you're old enough to know that is what you want; stick to soap and water rather than chemical gunk – and listen to Suzanne about the toaster thing.
  • (17) Among these cases, 6 patients have localization of perineum and 18 patients have local blotch pigmented papules.
  • (18) In two of the cases, reddish-purplish blotches over lower limbs, not raised and which blanched on pressure, was an unusual feature.
  • (19) Storage at 45 degrees and 75% relative himidity resulted in significant changes in most measured parameters; tablets showed blotching, substantial weight loss, and complex changes in disintegration and dissolution.
  • (20) Pseudomonas tolaasii Paine is the causal organism of the economically significant brown blotch disease of the cultivated mushroom Agaricus bisporus (Lange) Imbach.

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.