[Faline]

The chordae tendineae (tendinous chords), or heart strings, are cord-like tendons that connect the papillary muscles to the tricuspid valve and the mitral valve in the heart.
Chordae tendineae are approximately 80% collagen, while the remaining 20% is made up of elastin and endothelial cells.

[mikejudd]

I remember these from biology classes. A friend of mine tried to play the guitar with them. Needless to say it was not his finest hour when he splashed himself with a bloodclot

[Shakey]

Mine are all broken.

[lkduke3]

^I'm so sorry.

[durt]

cool!

[daniandson]

All i ever learned of were the atriums and valves. This makes it better and messier

[Jere]

[mintycbo]

Just think? If you're reading this? Those things are pulling harder than one can imagine...
Inside your chest.

[Daley]

Excellent close ups !

[Pyramid_Head]

That looks really cool!