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− | Small protrusions of the [[Arbeitsmyokard/en|working myocardium]] which hold the [[Chordae_tendineae/en|Chordae tendineae]] and tighten the [[Segelklappen/en| | + | Small protrusions of the [[Arbeitsmyokard/en|working myocardium]] which hold the [[Chordae_tendineae/en|Chordae tendineae]] and tighten the [[Segelklappen/en|valve leaflets]] shortly before the [[systole, systolic|systole]]. |
They are connected to the leaflets of the heart by sinewy threads and keep the valve closed when the pressure in the heart increases. | They are connected to the leaflets of the heart by sinewy threads and keep the valve closed when the pressure in the heart increases. | ||
https://de.wikipedia.org/wiki/Papillarmuskel <sub>([http://de.wikipedia.org/wiki/Wikipedia:Lizenzbestimmungen_Commons_Attribution-ShareAlike_3.0_Unported Wikipedia CC-by-sa-3.0])</sub> | https://de.wikipedia.org/wiki/Papillarmuskel <sub>([http://de.wikipedia.org/wiki/Wikipedia:Lizenzbestimmungen_Commons_Attribution-ShareAlike_3.0_Unported Wikipedia CC-by-sa-3.0])</sub> |
Small protrusions of the working myocardium which hold the Chordae tendineae and tighten the valve leaflets shortly before the systole.
They are connected to the leaflets of the heart by sinewy threads and keep the valve closed when the pressure in the heart increases.
https://de.wikipedia.org/wiki/Papillarmuskel (Wikipedia CC-by-sa-3.0)