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The process pertaining to the initial formation of an organ from unspecified parts. The process begins with the specific processes that contribute to the appearance of the discrete structure, such as inductive events, and ends when the structural rudiment of the organ is recognizable, such as a condensation of mesenchymal cells into the organ rudiment. Organs are a natural part or structure in an animal or a plant, capable of performing some special action (termed its function), which is essential to the life or well-being of the whole. The heart and lungs are organs of animals, and the petal and leaf are organs of plants. In animals the organs are generally made up of several tissues, one of which usually predominates, and determines the principal function of the organ. The developmental process by which the heart is generated and organized. The heart is a hollow, muscular organ, which, by contracting rhythmically, keeps up the circulation of the blood. The developmental process pertaining to the initial formation of the heart from unspecified parts. This process begins with the specific processes that contribute to the appearance of the heart field and the arrival of cardiac neural crest to the heart region. The process ends when the structural rudiment is recognizable. The regionalization process by which the identity of an organ primordium is specified. Identity is considered to be the aggregate of characteristics by which a structure is recognized. The process by which a specific region of the lateral mesoderm is delineated into the area which will form the majority of the mesodermal component of the right ventricle, arterial and venous poles. The pattern specification process by which an axis or axes is subdivided in space to define an area or volume in which specific patterns of cell differentiation will take place or in which cells interpret a specific environment. The process by which a specific region of the lateral mesoderm is delineated into the area in which the heart will develop. The process by which a specific region of the lateral mesoderm is delineated into the area which will form the primary beating heart tube. The close range interaction between mesoderm and endoderm or ectoderm that causes cells to change their fates and specify the development of the heart.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: heart field specification
Acc: GO:0003128
Aspect: Biological Process
Desc: The process by which a specific region of the lateral mesoderm is delineated into the area in which the heart will develop.
Proteins in PDR annotated with:
   This term: 0
   Term or descendants: 0


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0003128 - heart field specification (interactive image map)
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