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Boletín médico del Hospital Infantil de México
versión impresa ISSN 1665-1146
Resumen
ROMERO FLORES, Brenda G.; VILLAVICENCIO GUZMAN, Laura; SALAZAR GARCIA, Marcela y LAZZARINI, Roberto. Normal development of the heart: a review of new findings. Bol. Med. Hosp. Infant. Mex. [online]. 2023, vol.80, n.2, pp.79-93. Epub 12-Jun-2023. ISSN 1665-1146. https://doi.org/10.24875/bmhim.22000138.
Development and formation of the heart, the central organ of the circulatory system in vertebrates, starts early during embryonic development (second week), reaching maturity during the first few postnatal months. Cardiogenesis is a highly complex process that requires the active and orderly participation of different cardiac and non-cardiac cell populations. Thus, this process is sensitive to errors that may trigger a variety of heart-development defects, called congenital heart defects, which have a worldwide incidence of 8-10/1000 live births. A good understanding of normal cardiogenesis is required for better diagnosis and treatment of congenital heart diseases. This article reviews normal cardiogenesis by comparing information from classic studies with more recent findings. Information from descriptive anatomical studies of histological sections and selective in vivo marking of chicken embryos were emphasized. In addition, the discovery of heart fields has fueled the investigation of cardiogenic events that were believed to be understood and has contributed to proposals for new models of heart development.
Palabras llave : Cardiogenesis; First and second heart fields; Heart.