Heart_tube

Tubular heart

Tubular heart

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The tubular heart or primitive heart tube is the earliest stage of heart development.

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From the inflow to the outflow, it consists of sinus venosus, primitive atrium, the primitive ventricle, the bulbus cordis, and truncus arteriosus.[1]

It forms primarily from splanchnic mesoderm.[2] More specifically, they form from endocardial tubes, starting at day 21.[3]

References

  1. [1]
    Schleich, J. M. (2002). "Development of the human heart: days 15–21". Heart (British Cardiac Society). 87 (5): 487. doi:10.1136/heart.87.5.487. PMC 1767109. PMID 11997429.
  2. [2]
    "Text for Cardiovascular Development". Archived from the original on 2007-06-23. Retrieved 2007-09-18.
  3. [3]
    "Heart Tube Formation". Retrieved 2007-09-18.


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