 |
|
|
|
 |
|
|
Organogenesis
In animal development, organogenesis is the process by which the ectoderm, endoderm, and mesoderm develop into the internal organs of the organism. Internal organs initiate development in humans within the 3rd to 8th weeks in utero.The germ layers in organogenesis differ by three processes: folds, splits, and condensation. Developing early during this stage in chordate animals are the neural tube and notochord. Vertebrate animals all differentiate from the gastrula the same way. Vertebrates develop a neural crest that differentiates into many structures, including some bones, muscles, and components of the peripheral nervous system. The coelom of the body forms from a split of the mesoderm along the somite axis.
Production
The proceeding graph represents the products produced by the three germ layers.
See also
Notes
- ^ The General category denotes that all or most of the animals containing this layer produce the adjacent product.
- ^ The Vertebrate category denotes that all or most of the vertebrates containing this layer produce the adjacent product.
References
- Evers, Christine A., Lisa Starr. Biology:Concepts and Applications. 6th ed. United States:Thomson, 2006. ISBN 0-534-46224-3.
|
| |
|
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Organogenesis". A list of authors is available in Wikipedia.
|
Additional information matching your search term
Additional information was found matching your search for Organogenesis.
|
|
|
|
|
Top