Organogenesis
Organogenesis
Organogenesis (/ɔːrɡənoʊˈdʒɛnɪsɪs/; from Greek organon, "organ" and genesis, "creation") is the phase of embryonic development that starts at the end of gastrulation and continues until birth. During organogenesis, the three germ layers formed from gastrulation: the ectoderm, endoderm, and mesoderm form the organs and organ systems of the organism.
Etymology
The term "organogenesis" comes from the Greek words organon meaning "tool" or "instrument" and genesis meaning "origin" or "beginning". It was first used in the late 19th century to describe the development of organs in the embryo.
Process
Organogenesis begins with the formation of the three germ layers during the process of gastrulation. These layers are the ectoderm, endoderm, and mesoderm. Each of these layers gives rise to specific tissues and organs in the developing embryo.
The ectoderm forms structures such as the skin, brain, and nervous system. The endoderm forms the lining of the digestive system and other internal organs such as the lungs and liver. The mesoderm forms structures such as the muscles, bones, and blood vessels.
Related Terms
- Gastrulation: The process in embryonic development that leads to the formation of the three germ layers.
- Ectoderm: The outermost germ layer that forms the skin, brain, and nervous system.
- Endoderm: The innermost germ layer that forms the lining of the digestive system and other internal organs.
- Mesoderm: The middle germ layer that forms the muscles, bones, and blood vessels.
- Embryonic development: The process by which the embryo forms and develops.
External links
- Medical encyclopedia article on Organogenesis
- Wikipedia's article - Organogenesis
This WikiMD dictionary article is a stub. You can help make it a full article.
Languages: - East Asian
中文,
日本,
한국어,
South Asian
हिन्दी,
Urdu,
বাংলা,
తెలుగు,
தமிழ்,
ಕನ್ನಡ,
Southeast Asian
Indonesian,
Vietnamese,
Thai,
မြန်မာဘာသာ,
European
español,
Deutsch,
français,
русский,
português do Brasil,
Italian,
polski