archenteron /ärk-enˈtə-ron/ (zoology)

In the developing embryo, the primitive gut

• pyrophoric
• pyrophorous
• pyrophorus
• pyrophoruses
• pyrophosphate
• pyrophosphates
• pyrophosphoric
• pyrophotograph
• pyrophotographic
• pyrophotographs
• pyrophotography
• pyrophyllite
• pyrophyllites
• pyropus
• pyros
• pyroscope
• pyroscopes
• pyroses
• pyrosis
• Pyrosoma
• pyrosome
• multiskilled
• multiskilling
• multiskillings
• multiskills