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Acta morphologica Academiae Scientiarum Hungaricae最新文献

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Cytochrome oxidase activity in bone tissue. 骨组织细胞色素氧化酶活性。
Acta morphologica Academiae Scientiarum Hungaricae Pub Date : 1982-01-01
M Bély, D Tanka
{"title":"Cytochrome oxidase activity in bone tissue.","authors":"M Bély,&nbsp;D Tanka","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Cytochrome oxidase activity was studied in articular and epiphyseal cartilage, in bone tissue and in callus. Changes in the activity of the enzyme were observed after ischaemic condition. Activity was the highest in the epiphyseal cartilage while in the other structures it decreased in the order of articular cartilage, chondroid tissue, newly formed woven bone, connective tissue cells, immature, preexisting lamellar bone tissue. It is assumed that differences in enzyme activity are due to differences in metabolic rate. The higher the activity of a structure in the intact state, the more marked was its decrease upon ischaemia. This implies that cells of higher metabolic rate are more sensitive to ischaemia.</p>","PeriodicalId":72058,"journal":{"name":"Acta morphologica Academiae Scientiarum Hungaricae","volume":"30 3-4","pages":"261-9"},"PeriodicalIF":0.0,"publicationDate":"1982-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"17363184","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Lafora bodies in human retina. An electron microscopic study. 视网膜中的拉福拉体。电子显微镜研究。
Acta morphologica Academiae Scientiarum Hungaricae Pub Date : 1982-01-01
M Radnót, P Follmann
{"title":"Lafora bodies in human retina. An electron microscopic study.","authors":"M Radnót,&nbsp;P Follmann","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":72058,"journal":{"name":"Acta morphologica Academiae Scientiarum Hungaricae","volume":"30 3-4","pages":"271-5"},"PeriodicalIF":0.0,"publicationDate":"1982-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"17363185","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Localisation and structure of the receptors in the snout skin of the European hedgehog (Erinaceus europaeus) at the level of light and electron microscopy. 欧洲刺猬(Erinaceus europaeus)鼻子皮肤受体的定位和结构在光学和电子显微镜的水平。
Acta morphologica Academiae Scientiarum Hungaricae Pub Date : 1982-01-01
A Abrahám
{"title":"Localisation and structure of the receptors in the snout skin of the European hedgehog (Erinaceus europaeus) at the level of light and electron microscopy.","authors":"A Abrahám","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Morphological investigations of the snout skin of the European hedgehog (Erinaceus europaeus) revealed many nerve bundles and nerve fibres in the corium. Under the electron microscope, fibrocytes, many Schwann cells and, close to the basal membrane, laminated corpuscles can be seen. The latter consist of laminae, laminar cells and an axon. The laminae are characterized by exocytotic vesicles and by branching. The laminar cells are narrow and long. In the axon, there are several clear vesicles and sporadic mitochondria. The axolemma and cytolemma are sharply delimited, the space between them is wide. There is no synaptic organization. In the epidermis, ascending nerve fibres run intercellularly or intracellularly; their intracellular terminals are in the upper cell layers of the stratum germinativum. Other terminations occur in the lower and median stratum corneum as well. The final portions of nerve fibres degenerate in the upper horny layer together with the corneal squamae.</p>","PeriodicalId":72058,"journal":{"name":"Acta morphologica Academiae Scientiarum Hungaricae","volume":"30 2","pages":"157-85"},"PeriodicalIF":0.0,"publicationDate":"1982-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18180277","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Aspiration cytology of breast carcinoma. 乳腺癌的吸吸细胞学。
Acta morphologica Academiae Scientiarum Hungaricae Pub Date : 1982-01-01
I Degrell
{"title":"Aspiration cytology of breast carcinoma.","authors":"I Degrell","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>In the past 12 years aspiration cytological examination was carried out in 310 cases of histologically verified breast cancer. A classification of mammary carcinomas is presented and the cytomorphological features of cells constituting the different types of tumour are described. The value of aspiration cytology in preoperative diagnosis of early cancerous proliferations is emphasized. In the light of clinical, mammographic and cytological investigations the accuracy is about 96%. The method is reliable, quick, has no hazard, and can be performed in out-patients. Its routine application is recommended to all institutions possessing adequate facilities and staff.</p>","PeriodicalId":72058,"journal":{"name":"Acta morphologica Academiae Scientiarum Hungaricae","volume":"30 3-4","pages":"277-88"},"PeriodicalIF":0.0,"publicationDate":"1982-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"17363186","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Morphological experiences with a new bovine carotis xenograft (Solcograft-P) in experimental vascular surgery. 新型牛颈动脉异种移植物(Solcograft-P)在实验性血管手术中的形态学研究。
Acta morphologica Academiae Scientiarum Hungaricae Pub Date : 1982-01-01
E Somogyi, A Nemes, P Sotonyi, H Lichti, W Fraefel
{"title":"Morphological experiences with a new bovine carotis xenograft (Solcograft-P) in experimental vascular surgery.","authors":"E Somogyi,&nbsp;A Nemes,&nbsp;P Sotonyi,&nbsp;H Lichti,&nbsp;W Fraefel","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The implantation process of the Solcograft-P vascular prosthesis in infrarenal aortic and vena cava inferior positions was studied in dogs in the first 100 postoperative days to investigate its applicability in vascular surgery. The intimal lining was consistently smooth and homogeneous, the problems of aneurysma formation was not serious. Infection and early thrombosis were not more frequent than with other grafts. The impregnated Solcograft-P seemed to be superior to its previous version, the Solcograft. The morphological properties of Solcograft-P seem to make it suitable for venous replacement. The experiments suggested that in selected cases of reconstructive vascular surgery and particularly for patch plastics, Solcograft-P may prove useful.</p>","PeriodicalId":72058,"journal":{"name":"Acta morphologica Academiae Scientiarum Hungaricae","volume":"30 2","pages":"199-208"},"PeriodicalIF":0.0,"publicationDate":"1982-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18180279","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Neuron reconstruction using a Quantimet image analyzing computer system. 用Quantimet图像分析计算机系统重建神经元。
Acta morphologica Academiae Scientiarum Hungaricae Pub Date : 1982-01-01
J J Capowski, M Réthelyi
{"title":"Neuron reconstruction using a Quantimet image analyzing computer system.","authors":"J J Capowski,&nbsp;M Réthelyi","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>A PDP-11/34 laboratory computer, a Quantimet image analyzer, and a research light microscope with motorized X, Y stage and focus axis are used for \"semi-automatic\" neuron reconstruction. The operator examines each neuron tree through the microscope eyepieces, commands the Quantimet system to move the stage and focus the optics, and when a point along the neuron process is in focus under a cross-hairs, commands the PDP-11 computer to record the point's spatial coordinate. A list of such coordinates when stored in the PDP-11 forms a mathematical reconstruction of the neuron. Because the Quantimet system was not designed for this type of work, there may arise some problems when using it. Incremental microscope stage movements are difficult to produce; its display does not accurately depict neurons; its software does not facilitate the simple commands to the microscope motors required in neuron reconstruction. Despite these constraints, a neuron tracing system has been written which traces and statistically analyzes neurons.</p>","PeriodicalId":72058,"journal":{"name":"Acta morphologica Academiae Scientiarum Hungaricae","volume":"30 3-4","pages":"241-9"},"PeriodicalIF":0.0,"publicationDate":"1982-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18183684","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Histochemical examination of alcoholic liver injury. 酒精性肝损伤的组织化学检查。
Acta morphologica Academiae Scientiarum Hungaricae Pub Date : 1982-01-01
L Buris, I Töröcsik, G Csabai
{"title":"Histochemical examination of alcoholic liver injury.","authors":"L Buris,&nbsp;I Töröcsik,&nbsp;G Csabai","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The histochemical changes in the rat liver induced by chronic alcohol treatment were investigated. A significant decrease in glycogen content was observed as the first sign of alcoholic liver injury. The change started at the periphery of the hepatic lobule. With the decrease of the glycogen content a fatty degeneration of the involved parts of the hepatic lobule occurred. Fatty degeneration of the liver is to be ascribed to an inhibition of glycogen metabolism. Alcohol in the organism transfers the glucose to the pyruvate-acetyl CoA-triacyl glycerol pathway.</p>","PeriodicalId":72058,"journal":{"name":"Acta morphologica Academiae Scientiarum Hungaricae","volume":" ","pages":"89-95"},"PeriodicalIF":0.0,"publicationDate":"1982-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"35263200","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Postnatal development of perisinusoidal cells in the porcine liver. 猪肝周膜细胞的出生后发育。
Acta morphologica Academiae Scientiarum Hungaricae Pub Date : 1982-01-01
E Remenár, J Tóth, S Virágh, I Bartók
{"title":"Postnatal development of perisinusoidal cells in the porcine liver.","authors":"E Remenár,&nbsp;J Tóth,&nbsp;S Virágh,&nbsp;I Bartók","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The ultrastructure of perisinusoidal (PS) cells was studied in the liver of young pigs 1-28 days after birth. In immature animals these cells have long cytoplasmic processes often surrounding almost the entire sinusoid. In their close vicinity newly formed collagen filaments are found. While in the adult pig the PS cell cytoplasm is almost totally occupied by a large lipid droplet, in the young animal it contained only a few small lipid droplets, accompanied by a well-developed granular endoplasmic reticulum and Golgi-apparatus, microtubules and filaments 5-6 nm in diameter. The latter formed bundles with patchy dark areas. Findings indicate that during early postnatal development the function of PS cells is protein synthesis, perhaps for the production of reticulum fibres rather than fat or vitamin-A storage. In addition, PS cells by containing contractile elements may regulate the width of the sinusoids.</p>","PeriodicalId":72058,"journal":{"name":"Acta morphologica Academiae Scientiarum Hungaricae","volume":" ","pages":"35-48"},"PeriodicalIF":0.0,"publicationDate":"1982-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"35263291","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The separation of a fraction enriched in purely inhibitory nerve terminals from rat cerebellum. 从大鼠小脑中分离出富含纯抑制性神经末梢的部分。
Acta morphologica Academiae Scientiarum Hungaricae Pub Date : 1982-01-01
A Csillag, F Hajós, G P Wilkin
{"title":"The separation of a fraction enriched in purely inhibitory nerve terminals from rat cerebellum.","authors":"A Csillag,&nbsp;F Hajós,&nbsp;G P Wilkin","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The separation of a fraction enriched in cerebellar Golgi axon terminals of well-established inhibitory nature is described. The procedure is based on the phenomenon that the incubation of cerebellar glomerulus particles (isolated by a method described earlier) in saline media leads to the selective destruction of mossy terminals and of dendrites synapsing with them, whereas Golgi axon terminals remain intact. A 60-70% enrichment in Golgi terminals was achieved as revealed by electron microscopy.</p>","PeriodicalId":72058,"journal":{"name":"Acta morphologica Academiae Scientiarum Hungaricae","volume":"30 3-4","pages":"251-9"},"PeriodicalIF":0.0,"publicationDate":"1982-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18183683","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Neurons containing luteinizing hormone-releasing hormone in the indusium griseum of the rat. 大鼠灰工业膜中含有促黄体生成素-释放激素的神经元。
Acta morphologica Academiae Scientiarum Hungaricae Pub Date : 1982-01-01
I Merchenthaler, T Görcs, G Sétáló
{"title":"Neurons containing luteinizing hormone-releasing hormone in the indusium griseum of the rat.","authors":"I Merchenthaler,&nbsp;T Görcs,&nbsp;G Sétáló","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The authors detected LH--RH-containing neurons in the dorsal part of the hippocampus and in the indusium griseum of the rat. LH--RH-containing nerve fibres interconnect the organum subfornicale (OSF) and the dorsal hippocampus. Axons leaving the OSF can be traced backwards, then around the splenium of the corpus callosum, from where they run forwards in the stria longitudinalis medialis (SLM). LH--RH fibres of the SLM give axon collaterals to the cingulate cortex, then intermingle with the LH--RH system of the septum pellucidum. Following coronal transection of the SLM, it could be determined that LH--RH fibres form bidirectional connection between the septum and different regions of the hippocampus.</p>","PeriodicalId":72058,"journal":{"name":"Acta morphologica Academiae Scientiarum Hungaricae","volume":"30 2","pages":"151-6"},"PeriodicalIF":0.0,"publicationDate":"1982-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"17814549","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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