archenteron /ärk-enˈtə-ron/ (zoology)

In the developing embryo, the primitive gut

• twinged
• twinges
• twinging
• twinier
• twiniest
• twi-night
• twi-nighter
• twining
• twiningly
• twining plant
• twining plants
• twinings
• twink
• twinked
• twinkie
• twinkies
• twinking
• twinkle
• twinkled
• twinkle of an eye
• twinkler
• twinklers
• twinkles
• twinkletoes
• twinklier