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Archive » 2003 » 4 » | Archive » Medical field » Fields » Histology and Embryology »

Development of the Heart

 
Abstract:

This post is also available in: enEnglish slSlovenščina (Slovenian)

The cardiovascular system is the first major organ system that develops and starts functio­ning in a growing embryo, because diffusion alone can no longer supply it with enough oxygen and nutrients. The heart forms at the end of the third week from the splanchnic mesoderm as a horseshoe-shaped primordium. Bilateral cardiac tubes fuse in the midline, and the fu­sed cardiac tube undergoes further S-shaped bending. The heart increases in size, and several chambers (two atria and two ventricles) and the conducting system are formed.

Authors:
Marjeta Zorc, Danijel Petrovič

Keywords:
:cardiovascular system – embryology – growth and development, heart – embryology

Cite as:
Med Razgl. 2003; 42: 401–11.

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