What are Enterocoelom and Schizocoelom?

True coelom is categorised into two types- schizocoelom and enterocoelom. They are categorised based on ways in which true body cavity or coelom arises in different animals. Schizocoelom arises from mesoderemal split. This body cavity is formed from blocks of mesoderm around the gut that enlarge and hollow out. Example- animals belonging to the Phyla Annelida, Mollusca and Arthropoda.

Enterocoelom arises from outpocketing of the embryonic gut(endoderm). This type of body cavity is formed by outpocketings of the primitive gut that break off and form the coelom. Example- animals belonging to the Phyla Echinodermata and Chordata.

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