protoxylem /prō-tə-zīˈləm/ (botany)

The first part of the xylem to be formed

• polyimides
• polyisoprene
• polyisoprenes
• polylemma
• polylemmas
• polymastia
• polymastias
• polymastic
• polymasties
• polymastism
• polymastisms
• polymasty
• polymath
• polymathic
• polymathies
• polymaths
• polymathy
• polymer
• polymerase
• polymerase chain reaction
• polymerases
• polymeric
• polymeride
• polymerides
• polymeries