摘要:

γ-L-Glutamyl-taurine, a newly discovered parathyroid hormone, considerably inhibited the cytochemically detected transcription-inducing effect (appearance of free histone) of prednisolone and triiodothyronine. Such an inhibition took place also if the morphogenetic hormones were given not simultaneously with, but after the administration of litoralon. Litoralon injected alone also displayed inductor properties increasing the number of nuclei containing free histone

ISSN:1422-6405    

DOI:10.1159/000145095

出版商:S. Karger AG    

年代:1979

数据来源: Karger

摘要:

The aim of the present study was to determine the presence of alkaline phosphatase during various stages in development and closure of the sutura interfrontalis. The histological sections reveal that this enzyme could primarily be demonstrated in the dura mater of this suture. In further developmental stages, alkaline phosphatase could be observed within the intermediate zone as well as the pericranium. These findings are brought in relation with the occurrence of synostosis which can be induced under experimental conditions.

ISSN:1422-6405    

DOI:10.1159/000145096

出版商:S. Karger AG    

年代:1979

数据来源: Karger

摘要:

The heights of villi were less in all the segments of mildly undernourished (by increasing litter size) pups at 21 days of age, in comparison with controls, while the heights of villi in the duodenum and jejunum, but not in the ileum, were less in severely undernourished (by maternal protein deficiency) pups. Administration of hydrocortisone during 18–21 days of age to normal pups and to pups undernourished by maternal protein deficiency during lactation showed a marked reduction of villi heights in the ileum but not in other segments of the intestine. When the pups of protein-deficient mothers (during lactation) were fed on a normal diet during the post-weaning period, the villi in the ileum were found to be longer than those of controls. Superimposition of post-weaning protein deficiency over pre-weaning undernutrition only left the heights of ileal villi unaltered, but in other segments deficits in heights of villi were observed. These studies suggest that the suggested ‘villi-reducing factor’ did not appear in the ileum of severely undernourished pups even after the availability of an adequate nutrition in the post-weaning period, probably due to hydrocortisone deficiency at about 21 days of age, and that the hormone has a role in maintaining ileal villi heights. In addition to the heights of villi, other morphological retardations and alterations of enterocyte structure were observed in the severely undernourished intestine. These effects differed in different parts of the intestine and with the degree of neonatal undernutrition. Most of the morphological abnormalities showed a trend for recovery when a normal diet was given in the post-weaning p

ISSN:1422-6405    

DOI:10.1159/000145097

出版商:S. Karger AG    

年代:1979

数据来源: Karger

摘要:

The existence of the plica synovialis infrapatellaris, which has long been known in anatomy, is explained from the point of view of evolution. The development of this formation in the early stages of human life is outlined too. The results of the analysis of 117 knee-joints lead to a classification respecting macroscopical points of view of the observed plicae synoviales infrapatellares. 47 plicae synoviales infrapatellares were examined by histological methods under the headings of material, blood vessels and nerves. Mechanical importance of the plica synovialis infrapatellaris must be denied in considering the results of X-ray examination. What is more, the plica synovialis infrapatellaris does not seem to have any importance for the nutrition of neighbouring areas, neither in pre- nor in postnatal life.

ISSN:1422-6405    

DOI:10.1159/000145098

出版商:S. Karger AG    

年代:1979

数据来源: Karger

ISSN:1422-6405    

DOI:10.1159/000145099

出版商:S. Karger AG    

年代:1979

数据来源: Karger

ISSN:1422-6405    

DOI:10.1159/000145085

出版商:S. Karger AG    

年代:1979

数据来源: Karger