Corpus: Trabeculae carneae
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Synonyms: Columnae carneae, "meat bar"
English: , columnae carneae, fleshy beams
Definition[Bearbeiten]
The trabeculae carneae are reticularly connected, roundish muscle beams (trabeculae) that are found - with the exception of the conus arteriosus - on the entire inside of the ventricles.
Anatomy[Bearbeiten]
The trabeculae carneae can take on very different shapes. Some trabeculae are connected to the heart wall along their entire length on one side, others only at their two ends. In the right ventricle they are located in the inflow part.
The trabeculae that attach to the heart wall at their base and whose tips are connected to the leaflet valves via the chordae tendineae are called papillary muscles.
Function[Bearbeiten]
The function of the trabeculae carneae is to counteract the suction effect of the flowing blood by turbulence and thus to dampen the blood flow within the ventricles.