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Articular Cartilage Blood Vessels in Swine Osteochondrosis
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| Zeitschriftentitel: | Veterinary Pathology |
|---|---|
| Personen und Körperschaften: | , , |
| In: | Veterinary Pathology, 24, 1987, 2, S. 118-123 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
SAGE Publications
|
| Schlagwörter: |
| author_facet |
Woodard, J. C. Becker, H. N. Poulos, P. W. Woodard, J. C. Becker, H. N. Poulos, P. W. |
|---|---|
| author |
Woodard, J. C. Becker, H. N. Poulos, P. W. |
| spellingShingle |
Woodard, J. C. Becker, H. N. Poulos, P. W. Veterinary Pathology Articular Cartilage Blood Vessels in Swine Osteochondrosis General Veterinary |
| author_sort |
woodard, j. c. |
| spelling |
Woodard, J. C. Becker, H. N. Poulos, P. W. 0300-9858 1544-2217 SAGE Publications General Veterinary http://dx.doi.org/10.1177/030098588702400203 <jats:p>Perfusion studies in swine with early lesions of osteochondrosis demonstrated that lamellar areas of chondrocyte necrosis within reserve zones of growth areas occurred only in regions of nonperfused articular cartilage. Articular cartilage with a similar anatomical location was perfused in some animals. Occasionally, nonperfused articular cartilage showed vascular alterations within cartilage canals without evidence of significant perivascular or lamellar necrosis. By light microscopy, some vessels within or adjacent to nonperfused articular cartilage had normal morphology; however, ultrastructural abnormalities were found in some vessels of all cartilage canals adjacent to necrotic cartilage lamella. Minimal alterations were in the few cartilage canal vessels that appeared normal by light microscopy, and the surrounding chondrocytes showed only minimal alterations. Early cartilage canal alterations were seen in the endothelium of cartilage canal capillaries, and ultrastructural changes in these vessels were similar to those described with experimentally induced, direct vascular injury. Vascular injury was followed by leakage of plasma and cells into the interstitial space of the cartilage canal. Necrosis of the vessel wall and interstitial tissue caused the cartilage canals to appear empty or to be filled with fibrin-like material. Although the vascular changes could be considered as part of the normal process of cartilage maturation and cartilage canal chondrification, observations suggest that in domestic swine the attendant cartilage necrosis and chondrolysis is exuberant. It is suggested that alterations in cartilage canal vessels play a major role in the pathogenesis of articular cartilage lesions that are found in osteochondrosis of swine.</jats:p> Articular Cartilage Blood Vessels in Swine Osteochondrosis Veterinary Pathology |
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SAGE Publications, 1987 |
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Veterinary Pathology |
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| title |
Articular Cartilage Blood Vessels in Swine Osteochondrosis |
| title_unstemmed |
Articular Cartilage Blood Vessels in Swine Osteochondrosis |
| title_full |
Articular Cartilage Blood Vessels in Swine Osteochondrosis |
| title_fullStr |
Articular Cartilage Blood Vessels in Swine Osteochondrosis |
| title_full_unstemmed |
Articular Cartilage Blood Vessels in Swine Osteochondrosis |
| title_short |
Articular Cartilage Blood Vessels in Swine Osteochondrosis |
| title_sort |
articular cartilage blood vessels in swine osteochondrosis |
| topic |
General Veterinary |
| url |
http://dx.doi.org/10.1177/030098588702400203 |
| publishDate |
1987 |
| physical |
118-123 |
| description |
<jats:p>Perfusion studies in swine with early lesions of osteochondrosis demonstrated that lamellar areas of chondrocyte necrosis within reserve zones of growth areas occurred only in regions of nonperfused articular cartilage. Articular cartilage with a similar anatomical location was perfused in some animals. Occasionally, nonperfused articular cartilage showed vascular alterations within cartilage canals without evidence of significant perivascular or lamellar necrosis. By light microscopy, some vessels within or adjacent to nonperfused articular cartilage had normal morphology; however, ultrastructural abnormalities were found in some vessels of all cartilage canals adjacent to necrotic cartilage lamella. Minimal alterations were in the few cartilage canal vessels that appeared normal by light microscopy, and the surrounding chondrocytes showed only minimal alterations. Early cartilage canal alterations were seen in the endothelium of cartilage canal capillaries, and ultrastructural changes in these vessels were similar to those described with experimentally induced, direct vascular injury. Vascular injury was followed by leakage of plasma and cells into the interstitial space of the cartilage canal. Necrosis of the vessel wall and interstitial tissue caused the cartilage canals to appear empty or to be filled with fibrin-like material. Although the vascular changes could be considered as part of the normal process of cartilage maturation and cartilage canal chondrification, observations suggest that in domestic swine the attendant cartilage necrosis and chondrolysis is exuberant. It is suggested that alterations in cartilage canal vessels play a major role in the pathogenesis of articular cartilage lesions that are found in osteochondrosis of swine.</jats:p> |
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| author | Woodard, J. C., Becker, H. N., Poulos, P. W. |
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| description | <jats:p>Perfusion studies in swine with early lesions of osteochondrosis demonstrated that lamellar areas of chondrocyte necrosis within reserve zones of growth areas occurred only in regions of nonperfused articular cartilage. Articular cartilage with a similar anatomical location was perfused in some animals. Occasionally, nonperfused articular cartilage showed vascular alterations within cartilage canals without evidence of significant perivascular or lamellar necrosis. By light microscopy, some vessels within or adjacent to nonperfused articular cartilage had normal morphology; however, ultrastructural abnormalities were found in some vessels of all cartilage canals adjacent to necrotic cartilage lamella. Minimal alterations were in the few cartilage canal vessels that appeared normal by light microscopy, and the surrounding chondrocytes showed only minimal alterations. Early cartilage canal alterations were seen in the endothelium of cartilage canal capillaries, and ultrastructural changes in these vessels were similar to those described with experimentally induced, direct vascular injury. Vascular injury was followed by leakage of plasma and cells into the interstitial space of the cartilage canal. Necrosis of the vessel wall and interstitial tissue caused the cartilage canals to appear empty or to be filled with fibrin-like material. Although the vascular changes could be considered as part of the normal process of cartilage maturation and cartilage canal chondrification, observations suggest that in domestic swine the attendant cartilage necrosis and chondrolysis is exuberant. It is suggested that alterations in cartilage canal vessels play a major role in the pathogenesis of articular cartilage lesions that are found in osteochondrosis of swine.</jats:p> |
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| imprint | SAGE Publications, 1987 |
| imprint_str_mv | SAGE Publications, 1987 |
| institution | DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1, DE-L229, DE-D275, DE-Bn3, DE-Brt1, DE-Zwi2, DE-D161 |
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| spelling | Woodard, J. C. Becker, H. N. Poulos, P. W. 0300-9858 1544-2217 SAGE Publications General Veterinary http://dx.doi.org/10.1177/030098588702400203 <jats:p>Perfusion studies in swine with early lesions of osteochondrosis demonstrated that lamellar areas of chondrocyte necrosis within reserve zones of growth areas occurred only in regions of nonperfused articular cartilage. Articular cartilage with a similar anatomical location was perfused in some animals. Occasionally, nonperfused articular cartilage showed vascular alterations within cartilage canals without evidence of significant perivascular or lamellar necrosis. By light microscopy, some vessels within or adjacent to nonperfused articular cartilage had normal morphology; however, ultrastructural abnormalities were found in some vessels of all cartilage canals adjacent to necrotic cartilage lamella. Minimal alterations were in the few cartilage canal vessels that appeared normal by light microscopy, and the surrounding chondrocytes showed only minimal alterations. Early cartilage canal alterations were seen in the endothelium of cartilage canal capillaries, and ultrastructural changes in these vessels were similar to those described with experimentally induced, direct vascular injury. Vascular injury was followed by leakage of plasma and cells into the interstitial space of the cartilage canal. Necrosis of the vessel wall and interstitial tissue caused the cartilage canals to appear empty or to be filled with fibrin-like material. Although the vascular changes could be considered as part of the normal process of cartilage maturation and cartilage canal chondrification, observations suggest that in domestic swine the attendant cartilage necrosis and chondrolysis is exuberant. It is suggested that alterations in cartilage canal vessels play a major role in the pathogenesis of articular cartilage lesions that are found in osteochondrosis of swine.</jats:p> Articular Cartilage Blood Vessels in Swine Osteochondrosis Veterinary Pathology |
| spellingShingle | Woodard, J. C., Becker, H. N., Poulos, P. W., Veterinary Pathology, Articular Cartilage Blood Vessels in Swine Osteochondrosis, General Veterinary |
| title | Articular Cartilage Blood Vessels in Swine Osteochondrosis |
| title_full | Articular Cartilage Blood Vessels in Swine Osteochondrosis |
| title_fullStr | Articular Cartilage Blood Vessels in Swine Osteochondrosis |
| title_full_unstemmed | Articular Cartilage Blood Vessels in Swine Osteochondrosis |
| title_short | Articular Cartilage Blood Vessels in Swine Osteochondrosis |
| title_sort | articular cartilage blood vessels in swine osteochondrosis |
| title_unstemmed | Articular Cartilage Blood Vessels in Swine Osteochondrosis |
| topic | General Veterinary |
| url | http://dx.doi.org/10.1177/030098588702400203 |