نتایج جستجو برای: differential staining
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With 82 species currently described, the genus <i>Leptodactylus</i> is most diverse and representative one in family Leptodactylidae. Concerning chromosomal organization, this represents an interesting underexplored group since data from molecular cytogenetics are incipient, little known about organization distribution of repetitive DNA elements karyotypes. In sense, study aimed at ...
background: an enchondroma is a benign and a well-differentiated chondrosarcoma is an invasive chondroid tumor with high recurrence potential. in spite of biologic differences, these two tumors have very similar histopathologic appearance. it has been shown that the biologic nature of the connective tissue around benign and malignant tumors varies in the number of mast cells. the aim of this st...
microscopy as “field based test” was compared with is900 blood pcr for the diagnosis and estimationof prevalence of mycobacterium avium subspecies paratuberculosis (map) in domestic livestock withclinical johne’s disease (jd). of 252 animals screened, 39.3 and 13.1% were positive by faecal microscopyand blood pcr, respectively. proportional agreement between “microscopy” and blood pcr was subst...
purpose: to image leukocyte adherence to the vascular endothelium and extravasation into surrounding tissues in neovascularized corneas using acridine orange, a selective dna stain, in rats methods: corneal neovascularization was induced by placing two sutures in the cornea of one eye of 12 long-evans rats. one week later, acridine orange (4 mg/kg) was injected via the tail vein and the eyes we...
introduction: skeletal staining is an important part of anatomical studies which can evaluate macroscopic disorders in bones and cartilages development. the aim of the present article is to illustrate two distinct protocols by all details in order to stain skeletal system of the lab animals in all ages of their lives so it becomes easy for future studies in this field. methods: in this paper, s...
introduction: unstained formalin-fixed whole brain specimens and brain slices do not give satisfactory results for teaching neuroanatomy. in addition, difficulties in obtaining human brains for dissection have increased the demand for more durable brain specimens that have been obtained by the plastination technique. in the present study brain specimens were sliced, fixed and stained using the ...
Methods are proposed for the estimation of the rate, activation energy, heat, and affinity of staining of histological sections, and approximate results are given for the staining of mucin, mast-cell granules, chromatin, cytoplasmic ribonucleic acid (RNA), cartilage matrix, and other structures by azure A. The half-staining time tj is the time taken by a substrate under given staining condition...
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