Schwarz-weiß-Darstellung
CC BY-Peter Forster SA 3.0
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Farbfoto
An image of a wrist The blue is caused by the lack of oxygen binding to haemoglobin
CC BY-ARBAY SA 3.0
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Farbabbildung
Self made ophtalmogram of the retina of the right eye. It shows the optic disc as a bright area on the right (nasal side) where blood vessels converge. The spot to the left (temporal side) of the centre is the macula. The grey, more diffuse spot in the centre is a shadow artifact.
(CC BY-Ske. SA 3.0
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Animation
Erregungsausbreitung am gesunden Herzen mit graphischer Darstellung einer EKG-Kurve
CC BY-KalumetSA 3.0
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Farbgrafik
The human heart during diastole
CC BY-Wapcaplet, user:Reytan, SVG by user:Sjef SA 3.0
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Farbfoto
CC BY-Pia von Lützau - SA 3.0
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Farbgrafik
CC BY-JHeuser / Dake / Wapcaplet SA 2.5
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Farbgrafik
Schema einer Vene.
1 Endothel, 2 Venenklappe, 3 Sinus valvulae.
red arrows indicate blood flow, black arrow indicate external forces (like muscle activity) that drive blood inside the vessel
own work
CC BY-Uwe Gille SA 3.0
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