منابع مشابه
Branching morphogenesis.
Tubular structures are a fundamental anatomic theme recurring in a wide range of animal species. In mammals, tubulogenesis underscores the development of several systems and organs, including the vascular system, the lungs, and the kidneys. All tubular systems are hierarchical, branching into segments of gradually diminishing diameter. There are only 2 cell types that form the lumen of tubular ...
متن کاملModeling lung branching morphogenesis.
Vertebrate lung has tree-like structure which facilitates gas exchange. After discovery of the involvement of several key toolkit genes--FGF10, BMP4, and Shh, huge amount of molecular information on lung development is now available. However, how their interactions result in a branched structure has not been elucidated. Recently, some studies have utilized mathematical models to understand the ...
متن کاملSnapShot: Branching Morphogenesis
Ectodermal appendages such as feathers, hair, mammary glands, salivary glands, and sweat glands form branches, allowing much-increased surface for functional differentiation and secretion. Here, the principles of branching morphogenesis are exemplified by the mammary gland and feathers.
متن کاملThe control of branching morphogenesis
Many organs of higher organisms are heavily branched structures and arise by an apparently similar process of branching morphogenesis. Yet the regulatory components and local interactions that have been identified differ greatly in these organs. It is an open question whether the regulatory processes work according to a common principle and how far physical and geometrical constraints determine...
متن کاملGenetic control of branching morphogenesis.
The genetic programs that direct formation of the treelike branching structures of two animal organs have begun to be elucidated. In both the developing Drosophila tracheal (respiratory) system and mammalian lung, a fibroblast growth factor (FGF) signaling pathway is reiteratively used to pattern successive rounds of branching. The initial pattern of signaling appears to be established by early...
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ژورنال
عنوان ژورنال: Circulation Research
سال: 2009
ISSN: 0009-7330,1524-4571
DOI: 10.1161/circresaha.108.191494