Abstract：
:The pineal organs of 14-week-old domestic geese were investigated with light and electron microscopy. The pineals consisted of a wide distal part and a narrow middle-proximal one. The glands were attached to the intercommissural region via the choroid plexus. The pineal parenchyma was formed by round or elongated follicles. The follicular wall was composed predominantly by cells immunoreactive with antibodies against hydroxyindolo-O-methyltransferase (HIOMT) or glial fibrillary acid protein (GFAP). They formed two or more layers. HIOMT-positive elements were represented by elongated cells bordering the follicular lumen and oval cells located in the external layer of the follicular wall. These cells were identified in ultrastructural studies as rudimentary-receptor pinealocytes and secretory pinealocytes, respectively. Among rudimentary-receptor pinealocytes two types of cells, designed as A and B, were distinguished due to structural differences. Type A cells extended through the whole follicular wall and showed regular stratified distribution of organelles in well-recognizable zones with rough endoplasmic reticulum, the Golgi apparatus and mitochondria. Type B cells, like type A pinealocytes, contacted the pineal lumen and showed polarity of their internal structure. However, they were markedly shorter than the cells of type A and lacked stratified distribution of organelles. Secretory pinealocytes contained irregularly dispersed organelles. A prominent feature of all types of goose pinealocytes was the presence of numerous dense core vesicles. The population of GFAP-positive cells consisted of ependymal-like supporting cells and astrocyte-like cells.
journal_name
Histol Histopatholjournal_title
Histology and histopathologyauthors
Prusik M,Lewczuk B,Nowicki M,Przybylska-Gornowicz Bdoi
10.14670/HH-21.1075subject
Has Abstractpub_date
2006-10-01 00:00:00pages
1075-90issue
10eissn
0213-3911issn
1699-5848journal_volume
21pub_type
杂志文章abstract：:Gliomas are the most common intracranial malignant tumors in humans, and high-grade gliomas in particular pose a unique challenge due to their propensity for proliferation and tissue invasion. Our understanding of glioma oncogenesis, proliferation, and invasion has been greatly advanced in the past 10 years as researc...
journal_title：Histology and histopathology
pub_type： 杂志文章,评审
doi：10.14670/HH-18.207
更新日期：2003-01-01 00:00:00
abstract：:Complex carbohydrate structures are essential molecules of infectious microbes and host cells, and are involved in cell signaling associated with inflammatory and immune responses. The uptake of mannose-tailed glycans is usually carried out by macrophages, dendritic cells (DCs), and other professional phagocytes to tr...
journal_title：Histology and histopathology
pub_type： 杂志文章
doi：10.14670/HH-24.1029
更新日期：2009-08-01 00:00:00
abstract：:The sarcolemmal domain of rat duodenal smooth muscle cells includes caveolae and associated cytoskeletal or filamentous elements. We have used the quick-freezing, deep-etching method to examine the three dimensional relationships between these components. Replica membranes for separated strips of rat duodenal muscle l...
journal_title：Histology and histopathology
pub_type： 杂志文章
doi：10.14670/HH-15.1059
更新日期：2000-10-01 00:00:00
abstract：:Acetylcholinesterase (AchE)-positive afferent axons in the mucosa of the cat urinary bladder were examined in the present experiments. Small-sized dorsal root ganglion cells containing AchE enzyme activity were labelled by injection of retrograde tracer (wheat germ agglutinin conjugated to enzymatically inactive horse...
journal_title：Histology and histopathology
pub_type： 杂志文章
doi：
更新日期：1995-07-01 00:00:00
abstract：:The ultrastructure of four aldosterone secreting adenomas and of the adjacent zona glomerulosa has been described by the use of stereological techniques. Adenomatous cells (about 2800 microns 3 in volume) invariably displayed a striking abundance of lipid droplets, which occupied about 30% of the cytoplasm. Mitochondr...
journal_title：Histology and histopathology
pub_type： 杂志文章
doi：
更新日期：1988-07-01 00:00:00
abstract：:E(epithelial)-cadherin is a member of a calcium-dependent family of cell surface glycoproteins involved in cell-cell adhesion and morphogenesis. Catenins are a large family of proteins that connect the cadherins to the cytoskeleton. They are important for cadherin function and for transducing signals involved in speci...
journal_title：Histology and histopathology
pub_type： 杂志文章
doi：10.14670/HH-16.1097
更新日期：2001-10-01 00:00:00
abstract：:A current concern about the biological effects of electromagnetic fields (EMF) is increasing with the wide spread use of X-band microwaves (MW, 8-10 GHz range). Gigahertz transverse electromagnetic (GTEM) field flat transmission lines are currently being used for experimental exposure of biological samples to high fre...
journal_title：Histology and histopathology
pub_type： 杂志文章
doi：10.14670/HH-26.1187
更新日期：2011-09-01 00:00:00
abstract：:Orexins A and B are two hypothalamic peptides, involved in the central regulation of feeding, which act through two receptor subtypes, named OX1R and OX2R. OX1R is selective for orexin-A, and OX2R binds both orexins. We have investigated the effects of three subcutaneous injections of 10 nmol/kg body weight of orexins...
journal_title：Histology and histopathology
pub_type： 杂志文章
doi：10.14670/HH-16.713
更新日期：2001-07-01 00:00:00
abstract：:Anthracyclines are one of the most effective anticancer drugs ever developed, but their clinical use has been hampered by the risk of severe cardiotoxicity. In this study, we investigated whether rabbits exposed to a different cumulative dose of anthracycline suffer from immunohistochemically detectable vascular toxic...
journal_title：Histology and histopathology
pub_type： 杂志文章
doi：10.14670/HH-26.551
更新日期：2011-05-01 00:00:00
abstract：:Snake-like chromatin (SLC) is a nuclear alteration occurring under various pathological conditions and in different tissues. The aim of this study was the morphological and immunocytochemical characterization of SLC-positive conjunctival epithelial cells from keratoconjunctivitis sicca (KCS) patients. Impression cytol...
journal_title：Histology and histopathology
pub_type： 杂志文章
doi：10.14670/HH-21.355
更新日期：2006-04-01 00:00:00
abstract：:The importance of molybdenum-containing enzymes in the pathophysiology of a number of clinical disorders necessitates a comprehensive understanding of their histological localization and expression. The objectives of this review are to cover such enzymes so far reported and their enzyme- and immunohistochemical locali...
journal_title：Histology and histopathology
pub_type： 杂志文章,评审
doi：
更新日期：1997-04-01 00:00:00
abstract：BACKGROUND:Gastric Cardiac Cancer (GCC) has high incidence and poor prognosis requiring early screening of high-risk populations. Minichromosome maintenance (MCM) proteins are used as diagnostic-biomarkers in many cancers but not validated for GCC. We evaluate MCM protein 2 (MCM2), comparing it with the validated marke...
journal_title：Histology and histopathology
pub_type： 杂志文章
doi：10.14670/HH-28.481
更新日期：2013-04-01 00:00:00
abstract：:Cocaine- and amphetamine-regulated transcript peptide (CART) is a neuromediator and/or neuromodulator in nerve structures within the gastrointestinal tract, but knowledge about its distribution, functions and co-localisation with other neuronal factors, especially in humans, is very scarce. During the present investig...
journal_title：Histology and histopathology
pub_type： 杂志文章
doi：10.14670/HH-28.851
更新日期：2013-07-01 00:00:00
abstract：:Takeda-G-protein-receptor-5 (TGR5) is a receptor for bile acids and its expression has been described in a variety of tissues and species. Characterization of TGR5 distribution and function has been investigated in drug discovery for the treatment of metabolic diseases in humans. Because dogs are one of the species us...
journal_title：Histology and histopathology
pub_type： 杂志文章
doi：10.14670/HH-18-025
更新日期：2019-01-01 00:00:00
abstract：:Systematic studies on hepatic stellate cells and myofibroblasts have so far mainly focused on cells located in the perisinusoidal space of Disse, the so-called littoral compartment. Here, these cells play a key role for intralobular fibrogenesis and sinusoidal capillarization. However, advanced hepatic fibrosis and ci...
journal_title：Histology and histopathology
pub_type： 杂志文章
doi：10.14670/HH-14.719
更新日期：1999-07-01 00:00:00
abstract：:The ultrastructure of pinealocytes was studied in rats with 7,12-dimethylbenz(a)anthracene-induced mammary tumors which were subjected to experimental manipulations known as enhancers of pineal actions (anosmia, underfeeding or cold exposure). In these animals we found: (I)--more nuclei with deep nuclear invaginations...
journal_title：Histology and histopathology
pub_type： 杂志文章
doi：
更新日期：1989-04-01 00:00:00
abstract：:Fluoxetine shows controversial lung effects as it prevents pulmonary hypertension in adult rats but exposure during gestation causes pulmonary hypertension in neonatal rats. In the present study, we tested the null hypothesis that the antidepressant drug fluoxetine does not modify the development of bronchopulmonary d...
journal_title：Histology and histopathology
pub_type： 杂志文章
doi：10.14670/HH-27.1599
更新日期：2012-12-01 00:00:00
abstract：:The rapid Golgi method, combined with current optical and electronmicroscopical techniques, was used in three central gangliogliomas and in one dysplastic gangliocytoma of the cerebellum to study the morphology of ganglionic cells. Gangliogliomas were composed of bipolar, fusiform and radiate cells with dense core and...
journal_title：Histology and histopathology
pub_type： 杂志文章
doi：
更新日期：1990-07-01 00:00:00
abstract：:We designed to investigate the effects of down-regulating the tumor susceptibility gene 101 (TSG101) on the proliferation and apoptosis of the human breast cancer MCF-7 cell line, and the role of the MAPK/ERK signal pathway in this process. The siRNA against TSG101 was transfected into the breast cancer MCF-7 cell lin...
journal_title：Histology and histopathology
pub_type： 杂志文章
doi：10.14670/HH-26.87
更新日期：2011-01-01 00:00:00
abstract：:The effects induced by different concentrations (50, 75, 100 microM) of the cytostatic drug cisplatin (cDDP) in NIH/3T3 cells were analyzed. Sub-confluent cultures of this mouse fibroblast line, obtained after serum deprivation, showed the presence of aneuploid/polyploid cells with ploidy values ranging from 4c to 24c...
journal_title：Histology and histopathology
pub_type： 杂志文章
doi：10.14670/HH-23.717
更新日期：2008-06-01 00:00:00
abstract：:The acute and chronic effects of bombesin (BM) on the structure and function of rat adrenal cortex were investigated by morphometric and radioimmunological techniques. An intraperitoneal bolus injection of 2 micrograms/rat BM markedly raised plasma corticosterone (B) concentration (PBC). The intraperitoneal BM infusio...
journal_title：Histology and histopathology
pub_type： 杂志文章
doi：
更新日期：1995-01-01 00:00:00
abstract：:The bronchial-associated lymphoid tissue (BALT) is a lymphoepithelial organ, related to the immune defence of the lung and to alveolar clearance, which changes size in certain states of disease. Changes in the size of BALT were quantified and compared, and Spearman's test was used to test the relation with the bronchi...
journal_title：Histology and histopathology
pub_type： 杂志文章
doi：
更新日期：1992-07-01 00:00:00
abstract：:The effects of diethylstilbestrol (DES) and of long-acting somatostatin analog, octreotide (SMS) on the rat anterior pituitary microvasculature have been studied by means of computer-assisted image analysis. Additionally, the effects of DES and SMS on prolactin secretion and anterior pituitary cell proliferation have ...
journal_title：Histology and histopathology
pub_type： 杂志文章
doi：
更新日期：1997-10-01 00:00:00
abstract：:The S100 gene family, which is composed of at least 24 members carrying the Ca2+ binding EF-hand motif, has been implicated in both intracellular and extracellular functions, including enzyme activities, immune responses, cytoskeleton dynamics, Ca2+ homeostasis, cell growth and cell differentiation. Altered S100 prote...
journal_title：Histology and histopathology
pub_type： 杂志文章,评审
doi：10.14670/HH-22.1025
更新日期：2007-09-01 00:00:00
abstract：:Oligodendrocytes are the myelinating cells of the central nervous system. Since many studies of demyelinating diseases focus their research on this cell type, there is growing interest for obtaining reliable markers that can specifically recognize oligodendroglia. Established markers are the myelin-associated neurite ...
journal_title：Histology and histopathology
pub_type： 杂志文章
doi：10.14670/HH-11-640
更新日期：2015-12-01 00:00:00
abstract：:Nonsteroidal anti-inflammatory drugs (NSAIDs) are widely used for the purpose of anti-inflammation, antipyretic, and analgesia. For this aim, they are used for the alleviation of pain, fever, and inflammation associated with rheumatoid arthritis, sports injuries, and temporary pain. However, treatment with NSAIDs may ...
journal_title：Histology and histopathology
pub_type： 杂志文章,评审
doi：10.14670/HH-27.417
更新日期：2012-04-01 00:00:00
abstract：:In this paper we report the first complete mapping of the pituitary in a tuna species. The various different adenohypophysis cell types of the bluefin tuna, Thunnus thynnus L. have been identified and located using different antisera against mammalian and piscine hormones and various histochemical techniques: PAS, Alc...
journal_title：Histology and histopathology
pub_type： 杂志文章
doi：10.14670/HH-16.443
更新日期：2001-04-01 00:00:00
abstract：:Osteoclasts are physiological polykaryons specialized in the resorption of calcified tissue. In the context of the clinical use of calcium-phosphate (CaP) ceramics as bone substitutes, this study used transmission electron microscopy to investigate the in vitro mechanisms of CaP ceramic degradation by osteoclastic cel...
journal_title：Histology and histopathology
pub_type： 杂志文章
doi：10.14670/HH-16.37
更新日期：2001-01-01 00:00:00
abstract：BACKGROUND:The Shwachman-Bodian-Diamond syndrome (SBDS) protein is a member of a highly conserved family which influences RNA activation and is associated with pancreatic, skeletal and bone marrow deficiencies, as well as hematological malignancies. METHODS:In this study, the expression and localization of SBDS were i...
journal_title：Histology and histopathology
pub_type： 杂志文章
doi：10.14670/HH-23.819
更新日期：2008-07-01 00:00:00
abstract：:The immunohistochemical distribution of 15 blood coagulation factors in the germinal centers (GCs) of human Peyer's patches (PPs) was studied. Although factor VIII, active alpha-thrombin, and fibrinogen were hardly evident in the GCs, the majority of coagulation factors, such as kallikrein, high-molecular-weight kinin...
journal_title：Histology and histopathology
pub_type： 杂志文章
doi：
更新日期：1992-04-01 00:00:00
