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单词 periplasm
释义

Definition of periplasm in English:

periplasm

noun ˈpɛrɪplaz(ə)m

  • 1Mycology. In an oomycete, especially one of the order Peronosporales: the outer portion of the cytoplasm in an oogonium or antheridium.

  • 2Entomology. The cytoplasm just inside the vitelline membrane of an insect's egg, surrounding the yolk.

  • 3Microbiology. The region of a bacterial or other cell between the plasma membrane and the cell wall or outer membrane.

Origin

Late 19th century; earliest use found in Henry Garnsey (1826–1903). From peri- + -plasm.

Definition of periplasm in US English:

periplasm

nounˈpɛrɪplaz(ə)m

  • 1Mycology. In an oomycete, especially one of the order Peronosporales: the outer portion of the cytoplasm in an oogonium or antheridium.

  • 2Entomology. The cytoplasm just inside the vitelline membrane of an insect's egg, surrounding the yolk.

  • 3Microbiology. The region of a bacterial or other cell between the plasma membrane and the cell wall or outer membrane.

Origin

Late 19th century; earliest use found in Henry Garnsey (1826–1903). From peri- + -plasm.
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更新时间：2025/6/20 10:22:53