archenteron /ärk-enˈtə-ron/ (zoology)

In the developing embryo, the primitive gut

• howsoever
• how squares go
• how's that
• how's tricks
• how's your father
• how the other half lives
• how the wind blows
• how the wind lies
• how-to
• howtowdie
• howtowdies
• howzat
• hox
• hoxed
• hoxes
• hoxing
• hoy
• hoya
• hoyas
• hoyden
• hoydenhood
• hoydenhoods
• hoydenish
• hoydenism
• hoydenisms