archenteron /ärk-enˈtə-ron/ (zoology)

In the developing embryo, the primitive gut

• pitchinesses
• pitching
• pitchings
• pitching tool
• pitching tools
• pitching wedge
• pitching wedges
• pitch into
• pitchman
• pitchmen
• pitch on
• pitchperson
• pitchpine
• pitchpines
• pitchpipe
• pitchpipes
• pitch-pole
• pitch-poles
• pitch-poll
• pitch-polled
• pitch-polling
• pitch-polls
• pitch-roofed
• pitchstone
• pitchstones