Das Blutgefäßsystem des Enddarms vom Hund ( Canis lupus f. familiaris)
Summary The Vascular System in the Large Intestine of Dog ( Canis lupus f. familiaris) The vascular System of the large intestine of 10 dogs was examined by means of vascular corrosion casts, histology and transmission‐electron microscopy. The tela submucosa contains an arterial and a venous vascula...
Published in: | Anatomia, Histologia, Embryologia |
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1996
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crwiley:10.1111/j.1439-0264.1996.tb00065.x 2024-06-02T08:05:00+00:00 Das Blutgefäßsystem des Enddarms vom Hund ( Canis lupus f. familiaris) Zahner, M. Wille, K.‐H. 1996 http://dx.doi.org/10.1111/j.1439-0264.1996.tb00065.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1439-0264.1996.tb00065.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1439-0264.1996.tb00065.x en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Anatomia, Histologia, Embryologia volume 25, issue 2, page 101-108 ISSN 0340-2096 1439-0264 journal-article 1996 crwiley https://doi.org/10.1111/j.1439-0264.1996.tb00065.x 2024-05-03T10:42:03Z Summary The Vascular System in the Large Intestine of Dog ( Canis lupus f. familiaris) The vascular System of the large intestine of 10 dogs was examined by means of vascular corrosion casts, histology and transmission‐electron microscopy. The tela submucosa contains an arterial and a venous vascular plexus. In broader areas of the submucosa, a deep and a superficial vascular plexus, which are interconnected, can be found. The plexus are orientated parallel to the layers of the intestinal wall. On the one hand, these vessels naturally provide self‐sufficiency and drainage of the submucosa, and, moreover, direct branches to the stratum circulare of the muscular layer. On the other hand, the submucosal vascular plexus is the ‘distributional network’ for the functional plexus of the tunica mucosa. The arteries, which ascend to the tunica mucosa, supply a flat arterial network underneath the intestinal glands. Bundles of only a few arteriolae originate from this in order to supply the pericryptal capillaries. In the vicinity of the cryptai orifices, these turn into a network of subepithelial capillaries, which is post‐connected to the periglandular capillary plexus. From this ‘terminal circulatory pathway’, the blood is drained off by veins that enter the submucosal plexus. It is characteristic that the postcapillary venules often begin as part of the capillary network. As in other species, the subepithelial capillaries are predominantly lined with a ‘fenestrated endothelium’, whereas the capillaries of the pericryptal areas show a continuous endothelium. The latter contains multiple vesicles that may fuse in order to form transcytoplasmic channels as a morphological equivalent for transcappillar‐epithelial and vice versa occurring transport of substances. Article in Journal/Newspaper Canis lupus Wiley Online Library Anatomia, Histologia, Embryologia 25 2 101 108 |
institution |
Open Polar |
collection |
Wiley Online Library |
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crwiley |
language |
English |
description |
Summary The Vascular System in the Large Intestine of Dog ( Canis lupus f. familiaris) The vascular System of the large intestine of 10 dogs was examined by means of vascular corrosion casts, histology and transmission‐electron microscopy. The tela submucosa contains an arterial and a venous vascular plexus. In broader areas of the submucosa, a deep and a superficial vascular plexus, which are interconnected, can be found. The plexus are orientated parallel to the layers of the intestinal wall. On the one hand, these vessels naturally provide self‐sufficiency and drainage of the submucosa, and, moreover, direct branches to the stratum circulare of the muscular layer. On the other hand, the submucosal vascular plexus is the ‘distributional network’ for the functional plexus of the tunica mucosa. The arteries, which ascend to the tunica mucosa, supply a flat arterial network underneath the intestinal glands. Bundles of only a few arteriolae originate from this in order to supply the pericryptal capillaries. In the vicinity of the cryptai orifices, these turn into a network of subepithelial capillaries, which is post‐connected to the periglandular capillary plexus. From this ‘terminal circulatory pathway’, the blood is drained off by veins that enter the submucosal plexus. It is characteristic that the postcapillary venules often begin as part of the capillary network. As in other species, the subepithelial capillaries are predominantly lined with a ‘fenestrated endothelium’, whereas the capillaries of the pericryptal areas show a continuous endothelium. The latter contains multiple vesicles that may fuse in order to form transcytoplasmic channels as a morphological equivalent for transcappillar‐epithelial and vice versa occurring transport of substances. |
format |
Article in Journal/Newspaper |
author |
Zahner, M. Wille, K.‐H. |
spellingShingle |
Zahner, M. Wille, K.‐H. Das Blutgefäßsystem des Enddarms vom Hund ( Canis lupus f. familiaris) |
author_facet |
Zahner, M. Wille, K.‐H. |
author_sort |
Zahner, M. |
title |
Das Blutgefäßsystem des Enddarms vom Hund ( Canis lupus f. familiaris) |
title_short |
Das Blutgefäßsystem des Enddarms vom Hund ( Canis lupus f. familiaris) |
title_full |
Das Blutgefäßsystem des Enddarms vom Hund ( Canis lupus f. familiaris) |
title_fullStr |
Das Blutgefäßsystem des Enddarms vom Hund ( Canis lupus f. familiaris) |
title_full_unstemmed |
Das Blutgefäßsystem des Enddarms vom Hund ( Canis lupus f. familiaris) |
title_sort |
das blutgefäßsystem des enddarms vom hund ( canis lupus f. familiaris) |
publisher |
Wiley |
publishDate |
1996 |
url |
http://dx.doi.org/10.1111/j.1439-0264.1996.tb00065.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1439-0264.1996.tb00065.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1439-0264.1996.tb00065.x |
genre |
Canis lupus |
genre_facet |
Canis lupus |
op_source |
Anatomia, Histologia, Embryologia volume 25, issue 2, page 101-108 ISSN 0340-2096 1439-0264 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1111/j.1439-0264.1996.tb00065.x |
container_title |
Anatomia, Histologia, Embryologia |
container_volume |
25 |
container_issue |
2 |
container_start_page |
101 |
op_container_end_page |
108 |
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1800749732555915264 |