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词汇 protoxylem
释义

Definition of protoxylem in English:

protoxylem

noun
Botany
  • The first-formed elements of the primary xylem in a plant organ, maturing before elongation of the surrounding plant tissue is complete and therefore often subsequently distorted or destroyed by this process.

Origin

Late 19th century. After German Protoxylem.

Definition of protoxylem in US English:

protoxylem

noun
Botany
  • The first-formed elements of the primary xylem in a plant organ, maturing before elongation of the surrounding plant tissue is complete and therefore often subsequently distorted or destroyed by this process.

Origin

Late 19th century. After German Protoxylem.

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