What is another word for blastopore?
Pronunciation: [blˈastəpˌɔː] (IPA) 
Blastopore is a pore that develops during embryonic development and eventually forms the anus or mouth in some animals. There are several synonyms for blastopore depending on the animal group. In arthropods, the blastopore is referred to as the proctodeum or hindgut invagination. In mollusks, it's called the blastoporal invagination or gastrula invagination. For annelids, the blastopore is known as the protostome or provisional mouth. In chordates, it's called the blastoporal lip or primitive streak. Understanding the different synonyms for blastopore is essential in describing the development of various animal groups and their evolutionary significance.
