Schizocoely
Schizocoely (adjective forms: schizocoelous or schizocoelic) is a process by which some animal
embryos develop. The schizocoely mechanism occurs when secondary body cavities (coeloms) are formed by splitting a solid mass of mesodermal embryonic tissue.[1][2]
All schizocoelomates are protostomians and they show holoblastic, spiral, determinate cleavage.
Etymology
The term schizocoely derives from the Ancient Greek words σχίζω (skhízō), meaning 'to split', and κοιλία (koilía), meaning 'cavity'.[3][4] This refers to the fact that fluid-filled body cavities are formed by splitting of mesodermal cells.
Taxonomic distribution
protostomes
develop through schizocoely for which they are also known as schizocoelomates.
Schizocoelous development often occurs in
enteropneusts can exhibit schizocoely as well.[8]
Embryonic development
The term refers to the order of organization of cells in the
gastrula leading to development of the coelom. In mollusks, annelids, and arthropods, the mesoderm (the middle germ layer
) forms as a solid mass of migrated cells from the single layer of the gastrula. The new mesoderm then splits, creating the pocket-like cavity of the coelom.
See also
- Deuterostome
- Development of the digestive system
- Developmental biology
- Embryology
- Embryonic development
- Ontogeny
- Protostome
References
- ^ ISBN 9780521857369.
- S2CID 24929317.
- OCLC 461974285.
- ^ Bailly, Anatole. "Greek-french dictionary online". www.tabularium.be. Retrieved 2020-03-05.
- PMID 10203807.
- PMID 14756329.
- S2CID 6732563.
- S2CID 22199440.
External links
- Enterocoelous and schizocoelous conditions - UTM.edu Archived 2010-06-14 at the Wayback Machine
 | This developmental biology article is a stub. You can help Wikipedia by expanding it. |