Abstract
Similarly to other vascular systems, the intrahepatic circulation has an intrinsic mechanism of vascular tone control. In addition to humoral and neural factors intrahepatic vascular tone is modulated by local production of vasoactive substances with autocrine and paracrine effects. Although different liver cells are able to produce vasoactive substances that can modulate intrahepatic vascular tone, endothelial cells playa central role in this function. Interposed between the lumen and the contractile elements of the vessel wall, endothelial cells react to different intraluminal stimuli releasing vasoconstrictor and vasodilator substances to adjust vascular tone to a particular situation1.
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Loureiro-Silva, M.R., Groszmann, R.J. (2004). Impaired vasodilation in cirrhotic livers. In: Groszmann, R.J., Bosch, J. (eds) Portal Hypertension in the 21st Century. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-1042-9_9
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DOI: https://doi.org/10.1007/978-94-007-1042-9_9
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