期刊
JOURNAL OF CARDIOVASCULAR DEVELOPMENT AND DISEASE
卷 9, 期 10, 页码 -出版社
MDPI
DOI: 10.3390/jcdd9100318
关键词
heart; outflow tract valves; vertebrates; medical concept; zoological concept
资金
- Ministerio de Ciencia e Innovacion, Madrid, Spain [CGL2017-85090-P, PRE2018-083176]
- FEDER funds
- University of Malaga
This article compares the gross anatomy of the outflow tract valvular system among several groups of vertebrates, aiming to understand the conceptual and nomenclature controversies in the field and the discrepancies between physicians and zoologists in defining what a cardiac outflow tract valve is.
The anatomical elements that in humans prevent blood backflow from the aorta and pulmonary artery to the left and right ventriclesare the aortic and pulmonary valves, respectively. Each valve regularly consists of three leaflets (cusps), each supported by its valvular sinus. From the medical viewpoint, each set of three leaflets and sinuses is regarded as a morpho-functional unit. This notion also applies to birds and non-human mammals. However, the structures that prevent the return of blood to the heart in other vertebrates are notably different. This has led to discrepancies between physicians and zoologists in defining what a cardiac outflow tract valve is. The aim here is to compare the gross anatomy of the outflow tract valvular system among several groups of vertebrates in order to understand the conceptual and nomenclature controversies in the field.
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