نتایج جستجو برای: lobules
تعداد نتایج: 1308 فیلتر نتایج به سال:
It is desired to make a preliminary report of certain experimental evidence that respiratory and other gases may enter one lobule from another in the lung without resort to known anatomical passageways. This was found in vivo and in vitro in work with dogs. In vitro observations. A single lung lobe, freshly secured, was prepared by dissection at the hilus and isolation of the stem bronchus and ...
Loss of heterozygosity (LOH) was detected in morphologically normal lobules adjacent to breast cancers. The most frequent aberration was at chromosome 3p22-25; of ten cases with this LOH in the carcinoma, six displayed the same LOH in adjacent normal lobules. This suggests that in a subset of sporadic breast cancers, a tumor suppresser gene at 3p22-25 may be important in initiation or early pro...
Foliation of the cerebella of Sprague-Dawley rats (strain Han:SPRD) is more advanced than in Wistar rats (strain Chbb:THOM). The differences expressed as length of the granular layer in median sections were significant in lobules VIa, VIII, IX and X. The length of the other vermian lobules is generally higher in the former strain. With regard to the volume of the granular layer, the situation i...
Previous studies from this Laboratory have shown that cerebellar Purkinje neurons (PN) in ageing, ethanol-fed Fischer 344 rats may have terminal dendritic segments that are longer than in control rats. They also showed that the longer terminal segments represented a toxic effect of ethanol on PN, because their increase in length resulted from an ethanol-induced deletion of other terminal dendri...
Anatomical, clinical and imaging findings suggest that the cerebellum is engaged in cognitive and affective functions as well as motor control. Evidence from converging modalities also indicates that there is a functional topography in the human cerebellum for overt control of movement vs. higher functions, such that the cerebellum can be divided into zones depending on connectivity with sensor...
We undertook studies to determine whether secretagogue action on the exocrine pancreas and parotid is accompanied by phosphorylation of proteins in intact cells. For this purpose, rat pancreatic, and parotid lobules were preincubated with 32Pi for 45 min at 37 degrees C, washed, and then incubated at 37 degrees C in the presence or absence of secretagogues that effect discharge through differen...
objectives: in traditional medicine salvia officinalis (sage) has been used as menstrual cycle regulator. in the present study the effects of sage extract on breast tissue were examined. materials and methods: fourteen female rats were divided into two groups: 1) distilled water-treated rats (con) that were gavaged with 1ml distilled water and 2) saliva officinalis hydroalcoholic extract (she)-...
The septa of connective tissue which divide the lung have usually been studied because of their relation to secondary lobules or incidentally to investigation of some associated structure, such as lymphatics (Flint, 1906; Cunningham, 1916). In the human lung the secondary lobules are defined as the units of respiratory tissue which are enclosed within thin connective tissue septa (Laguesse and ...
BACKGROUND Cerebellar damage has been implicated in information processing speed (IPS) impairment associated with multiple sclerosis (MS) that might result from functional disconnection in the frontocerebellar loop. Structural alterations in individual posterior lobules, in which cognitive functioning seems preponderant, are still unknown. Our aim was to investigate the impact of grey matter (G...
The human cerebellum is a heterogeneous structure, and the pattern of resting-state functional connectivity (rsFC) of each subregion has not yet been fully characterized. We aimed to systematically investigate rsFC pattern of each cerebellar subregion in 228 healthy young adults. Voxel-based analysis revealed that several subregions showed similar rsFC patterns, reflecting functional integratio...
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