The orifice of invagination of the endomesodermal cells during the embryonic stages of an organism. [ http://www.ncbi.nlm.nih.gov/pubmed/23103190 https://github.com/obophenotype/uberon/issues/660 https://orcid.org/0000-0003-3308-6245 ]
Term information
- AAO:0000045
- BTO:0001695
- XAO:0000208
- Wikipedia:Blastopore
metazoa_core, early_development
A slit-like invagination on the dorsal side of the blastula surface of the embryo where the mesoderm and endoderm move inside the embryo at gatrulation.[AAO]
In protostome development, the first opening in development, the blastopore, becomes the animal's mouth; In deuterostome development, the blastopore becomes the animal's anus