نتایج جستجو برای: histological
تعداد نتایج: 69250 فیلتر نتایج به سال:
The freeze substitution histological technique allows the indirect light microscopicobservation and the quantitative evaluation of ice crystal size in frozen tissues. Theuseofchemical fixatives in substitu ting fluids improves morphological and histochemical preservation of the tissue. Fixation conditions become important since this step can introduce modifications in crystal sizes . Effects of...
BACKGROUND A common approach in exploring register data is to find relationships between outcomes and predictors by using multiple regression analysis (MRA). If there is more than one outcome variable, the analysis must then be repeated, and the results combined in some arbitrary fashion. In contrast, Canonical Correlation Analysis (CCA) has the ability to analyze multiple outcomes at the same ...
Effects of the neutralization of endogenous progesterone with rabbit antiserum to progesterone (anti-progesterone) on germinal vesicle breakdown of ova in follicles of small (less than 125 micrometers), intermediate (125-250 micrometers) and large (greater than 250 micrometers) diameter were examined by a quantitative histological technique. Immature rats were treated with 5 IU pregnant mare's ...
Three techniques for staining the secretory neurones in sections were applied directly to the whole brain and/or intact organs of the neuro-endocrine system of certain insects, and the whole brain of various invertebrates and vertebrates. After minor changes in the original procedures, in situ staining was achieved in those components of the neuro-endocrine system that are known to contain the ...
A histological technique is described which results in the differential staining of neural crest cells. This is used to describe the formation and early migration of crest cells in the head of the mouse embryo. The first indications of crest formation are seen in the midbrain/anterior hindbrain at 3--4 somites where crest cells accumulate in the basal surface of the ectodermal epithelium near t...
The distribution of plasminogen activator in fresh human prostatic tissue has been studied, using a histological technique. The vascular endothelium consistently showed fibrinolytic activity while inconstant and lesser activity arose from the epithelial cells of glands and ducts. Increased epithelial activity was often accompanied by evidence of trauma. Activity of the secretions was insignific...
Background: Gestational trophoblastic disease (GTD) is a heterogenous group of neoplastic lesions that is derived from placental trophoblastic epithelium. According to World Health Organization (WHO) classification they include: Hydatidiform mole (complete and partial), invasive mole, choriocarcinoma and placental site trophoblastic tumor. Hydatidiform mole is the most common and the diagnosis ...
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