archenteron /ärk-enˈtə-ron/ (zoology)

In the developing embryo, the primitive gut

• animal kingdom
• animal kingdoms
• animal liberationist
• animal liberationists
• animally
• animal magnetism
• animal pole
• animal rationale
• animal rights
• animal risibile
• animals
• animal spirits
• animal-worship
• animal-worshipper
• anima mundi
• animas
• animate
• animated
• animated cartoon
• animated cartoons
• animatedly
• animater
• animates
• animatic
• animatics