archenteron /ärk-enˈtə-ron/ (zoology)

In the developing embryo, the primitive gut

• maid-pale
• maids
• maidservant
• maidservants
• maieutic
• maieutics
• maigre
• maigres
• maik
• maiko
• maikos
• maiks
• mail
• mailable
• mailbag
• mailbags
• mail-boat
• mail-boats
• mail bomb
• mail bombs
• mailbox
• mailboxes
• mail-car
• mail-carriage
• mail-carriages