What's the difference between microscopic and orcein?
Microscopic
Definition:
(a.) Alt. of Microscopical
Example Sentences:
(1) The results of our microscopic model confirm that the continuum hypothesis used in our previous macroscopic model is reasonable.
(2) Light microscopic studies of pancreata from mice sacrificed at this time demonstrated insulitis and beta cell necrosis.
(3) 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.
(4) It is concluded that the present method for demonstration of aryl sulphatase activity is not well suited for microscopical identification of lysosomes in rat liver parenchymal cells.
(5) Histological and electron-microscopic study of the lungs of 15 patients who had been treated with bleomycin for advanced squamous cell carcinoma demonstrated marked histological changes in nine.
(6) 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.
(7) Electron microscopic immunohistochemistry revealed histamine-immunostaining in granules in a small number of nerve fibers and varicosities.
(8) For routine use, 50 mul of 12% BTV SRBC, 0.1 ml of a spleen cell suspension, and 0.5 ml of 0.5% agarose in a balanced salt solution were mixed and plated on a microscope slide precoated with 0.1% aqueous agarose.
(9) Electron microscopic observations of the masseter nerve in the aged cats revealed a disruption of the myelin sheaths and a pronounced increase in collagen fibers in the endoneurium and perineurium.
(10) Widely varying numbers of endocrine cells were identified in 12 out of 64 cases of uterine cancer in the course of histochemical and electron microscopic examination.
(11) Significantly better survival was found in patients with T2 tumors in comparison with patients with T3 and T4 tumors, in patients with infrastructural localization in comparison with patients with suprastructural localization and in patients with microscopic residual tumor in comparison with MRT patients.
(12) At the light-microscopic level, adrenergic fibres were identified due to their formaldehyde-induced fluorescence.
(13) It has a poor prognosis prior to the current combined treatment of surgical ablation, radiation to the surgical field, and chemotherapy for microscopic metastases.
(14) Histochemical and electron microscopic examinations confirmed that this biochemical lesion was associated with abnormal intracellular accumulation of unesterified cholesterol in mutant lymphocytes.
(15) Suspensions of isolated insect flight muscle thick filaments were embedded in layers of vitreous ice and visualized in the electron microscope under liquid nitrogen conditions.
(16) Pure bile gave 32 correct diagnoses (67%) and 14 diagnoses of inadequate material (29%), which contained few nondegenerated cells and made microscopic diagnosis unreliable.
(17) Total excisional biopsy is necessary to properly assess an adenoma microscopically.
(18) Examination was by means of counter immunoelectrophoresis, radioimmunoassay and electron microscope with negative staining.
(19) Twenty-seven human septums were removed at post mortem, examined macroscopically, sectioned coronally and examined microscopically.
(20) A television camera scans the spread through microscope optics; computer and special purpose electronics process the video signals to generate run length histograms.
Orcein
Definition:
(n.) A reddish brown amorphous dyestuff, /, obtained from orcin, and forming the essential coloring matter of cudbear and archil. It is closely related to litmus.
Example Sentences:
(1) The orcein staining method seems to be a reliable addition to differentiating histologically between PBC and CAH.
(2) Microscopic examinations of eggs stained with aceto-orcein or the DNA fluorochrome bisbenzimide and direct observations on isolated sperm aster complexes show that halothane induces polyspermy (multiple sperm entry) when present at fertilization.
(3) 5 in whom a clinical and histological diagnosis of Indian Childhood Cirrhosis was made had massive orcein-staining deposits in liver cells.
(4) Determination of fungal elastase, however, requires partial purification of culture extracts and the orcein elastin or gravimetric method.
(6) The orcein positive substance localized in the cytoplasm of hepatocytes, less often it was also seen in a few Kupffer cells.
(7) Aceto-orcein and Giemsa when used cold were found to produce relatively artefact-free preparations.
(8) Orcein-positive material in Kupffer cells was not associated with HBsAg as evaluated by the immune peroxidase method.
(9) This enzyme was inactivated by diisopropyl fluorophosphate (DFP), phenylmethyl sulphonylfluoride (PMSF), soybean trypsin inhibitor (SBTI), or elastatinal, suggesting a seryl protease resembling elastase, but it failed to digest elastin-orcein.
(10) This group of patients may therefore have both biliary disease are hepatocellular damage, and can be separated from CAH by the orcein method.
(11) These HBcAg inclusions stain greyish pink with chromotrope aniline blue and are negative for orcein, the periodic acid-Schiff reaction, and the Feulgen reaction for DNA.
(12) Liver specimens from 103 patients with various hepatic diseases and from 297 consecutive liver biopsies examined routinely were stained with orcein after oxidation of the tissue sections with potassium permanganate.
(13) One conspicuous feature was the substantially reduced quantity of positive elements in comparison with the results of staining with aldehydefuchsine and orceine.
(14) Cytofluorometric measurements of orcein-stained chromatin revealed an emission peak at 585 nm with a shoulder at 620 nm.
(15) Orcein-positive material was very frequently found in protracted viral hepatitis and in chronic active hepatitis, as well as in other liver diseases with or without cholestasis; it was absent in liver cirrhosis.
(16) The pattern of copper distribution in human newborn liver was investigated by histochemical methods (rhodamine, orcein and rubeanic acid) and by atomic absorption spectroscopy.
(17) OPHM in HCC was stained with orcein when the tissue sections were preoxidized.
(18) It did not correspond to the pattern and texture of material stained with PAS, Sudan Black or acid orcein.
(19) root tips) and involves the treatment of root tips with 1-2% solution of trypsin either in buffer or in 0.5 N HCl for 5-10 minutes at 37 C or for 30-60 minutes near 0 C followed by staining with 1.5% acetic orcein: 1 N HCl (19:1).
(20) All 17 biopsy specimens from patients with Wilson's disease had high liver copper concentrations, but only nine had positive staining for copper, and six were orcein positive.