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  • Title: Histology and morphometry of Strongylus vulgaris-mediated equine mesenteric arteritis.
    Author: Morgan SJ, Stromberg PC, Storts RW, Sowa BA, Lay JC.
    Journal: J Comp Pathol; 1991 Jan; 104(1):89-99. PubMed ID: 2019679.
    Abstract:
    Histological and morphometric evaluation of equine cranial mesenteric arteries was performed on 239 and 89 arteries, respectively. Histological examination revealed that thrombosis and the severity of inflammation varied on a seasonal basis and were directly associated with larval presence. Intimal and adventitial fibrosis were generally of greater severity than medial fibrosis. Fibrosis of the vasa vasorum was less frequent than fibrosis of the artery itself. Morphometry revealed a significant increase in intimal, adventitial and, to a lesser extent, medial area in affected as compared with normal arteries. This change was due to the accumulation of collagen and was considered to result in decreased arterial elasticity. The luminal area varied widely among affected arteries.
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