Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
Gewählte Publikation:
Anderhuber, F.
Venous valves in the large branches of superior vena cava
ACTA ANAT. 1984; 119(3): 184-192.
Doi: 10.1159/000145883
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- Führende Autor*innen der Med Uni Graz
- Anderhuber Friedrich
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- Abstract:
- In 97 human cadavers the valves of the following blood vessels were investigated with regard to their cusps and their sizes and positions: the internal jugular veins, the subclavian veins, the brachiocephalic veins, and the superior vena cava. The cusps of each of the valves, which consist of two or three parts, are neither always of equal size nor obligatorily sufficient. Unipartite valves may be sufficient as well as insufficient. Internal jugular veins: The inferior bulb of the internal jugular vein is provided with valves which in 6% of the cases consist of three parts, in 66% of two parts, and in 15% of only one cusp. The concave margins of most of them go down as far as the venous angle. The convex edges attached to the wall of the vein extend to a higher level on the right side than on the left. In 13% there do not exist any valves. Varieties are described separately in this paper. Subclavian veins: Valves are found along the length of the vessel. Only few of them reach the venous angle. In rare cases there exist two valves: one at the beginning, the other at the end of the subclavian vein. In 4% of the cases the valves consist of three, in 75% of two cusps. In 12% they are unipartite. In 9% there are no valves to be found. The right side is more often without valves than the left. Brachiocephalic veins: Only a minority of these vessels is provided with valves. Most of these consist of one cusp, are insufficient, and are situated in the left innominate vein.(ABSTRACT TRUNCATED AT 250 WORDS)
- Find related publications in this database (using NLM MeSH Indexing)
- Adult -
- Aged -
- Brachiocephalic Veins - anatomy and histology
- Female - anatomy and histology
- Humans - anatomy and histology
- Jugular Veins - anatomy and histology
- Male - anatomy and histology
- Middle Aged - anatomy and histology
- Models, Cardiovascular - anatomy and histology
- Subclavian Vein - anatomy and histology
- Vena Cava, Superior - anatomy and histology