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Exact Detection of Arterial and Portal Branches of the Terminal Afferent Vessels in the Rat Liver By Means of Corrosion Casts and Edx

Published online by Cambridge University Press:  02 July 2020

Udo M. Spornitz ,
Irena Bartuskova  and
Gianni Morson
Udo M. Spornitz
Affiliation:
Dept. of Electron Microscopy, Institute of Anatomy, University of BaselCH4056, Basel, Switzerland
Irena Bartuskova
Affiliation:
Dept. of Electron Microscopy, Institute of Anatomy, University of BaselCH4056, Basel, Switzerland
Gianni Morson
Affiliation:
Dept. of Electron Microscopy, Institute of Anatomy, University of BaselCH4056, Basel, Switzerland
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Extract

The physiological necessity of the dual afferent blood supply of the liver and the morphological features of the macrocirculation are well understood. The microcirculation, however, still poses a number of unsolved questions. In particular the nature of the terminal junctions of the arterial and portal blood stream with the sinusoids has so far not been satisfactorily elucidated (1-2). Scanning electron microscopy alone or in combination with corrosion casts cannot solve the problem, because it remains difficult to tell the different vessels apart. Under favorable circumstances the terminal portal vein is the easiest to be distinguished with corrosion casts. This is due to the fact that its relatively wide branches surround the classical liver lobules along the major parts of their circumference. The diameter of the terminal hepatic artery is in its initial segments not as wide as the initial segments of the terminal portal vein.

Type
Applications and Advances In Vascular Corrosion Casting In Microvascular Research
Information
Microscopy and Microanalysis , Volume 5 , Issue S2: Proceedings: Microscopy & Microanalysis '99, Microscopy Society of America 57th Annual Meeting, Microbeam Analysis Society 33rd Annual Meeting, Portland, Oregon August 1-5, 1999 , August 1999 , pp. 1204 - 1205
Copyright
Copyright © Microscopy Society of America

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References

1.) Spornitz, U. M. and Bartuskova, I., 2nd international Malpighi Symposium, Rome 1995Google Scholar

2.) Sasse, D., Spornitz, U.M., Maly, I.P., Enzyme 1992, 8–32CrossRefGoogle Scholar