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− | Four fixed rings that frame the heart valves. They form the [[valve plane]] of the heart, which is important for the pumping function. | + | Four fixed rings that frame the heart valves. They form the [[Ventilebene/en|valve plane]] of the heart, which is important for the pumping function. |
Aktuelle Version vom 22. Mai 2019, 00:23 Uhr
Four fixed rings that frame the heart valves. They form the valve plane of the heart, which is important for the pumping function.