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词汇 protoplasm
释义

Definition of protoplasm in English:

protoplasm

noun ˈprəʊtə(ʊ)ˌplaz(ə)mˈproʊdəˌplæzəm
mass nounBiology
  • The colourless material comprising the living part of a cell, including the cytoplasm, nucleus, and other organelles.

    〔生〕原生质,原浆(包括细胞质、细胞核及其他细胞器)

    Example sentencesExamples
    • They do not store vital dyes and, in the structure of their nucleus and the behavior of their protoplasm, resemble mesenchymal cells.
    • Their protoplasm has a distinct reticular structure and contains-especially in the experiments with the introduction of egg yolk into the subcutaneous tissue-numerous clear vacuoles and granular inclusions.
    • It was eventually realised that the culprit was a non-cellular form of ‘life’ that could diffuse through the cell walls and membranes into the cell's protoplasm.
    • The protoplasm is extruded as pseudopods via the aperture and through any perforations that may be present in the test.
    • It is likely that lignified cells that lack membranes and protoplasm also lack sensitivity.

Derivatives

  • protoplasmal

  • adjective -ˈplazm(ə)l
    Biology
  • protoplasmatic

  • adjective -ˈmatɪk
    Biology
  • protoplasmic

  • adjective prəʊtə(ʊ)ˌˈplazmɪk
    Biology
    • In roughly contemporary work that employs Surrealist-inspired automatism, only traces of the grid remain, poking in from the edges and punctuating a field of free-floating brightly colored protoplasmic shapes.
      Example sentencesExamples
      • Even if you survive it, you're still going to remain one of the planet's least fondly remembered sub-species of protoplasmic life.
      • The voice became more and more garbled until the telephone became nothing more than a bubbling protoplasmic mass of dripping plastic, and the voice stopped altogether.
      • All that blood stirring makes one aware of protoplasmic solutions, the essential matter between the formed and the unformed, masses of cells consisting largely of water, proteins, lipoids, carbohydrates, and inorganic salts.
      • The protoplasmic variety, found mostly in gray matter, have plump and abundant cell processes that branch repeatedly.

Origin

Mid 19th century: from Greek prōtoplasma (see proto-, plasma).

Definition of protoplasm in US English:

protoplasm

nounˈproʊdəˌplæzəmˈprōdəˌplazəm
Biology
  • The colorless material comprising the living part of a cell, including the cytoplasm, nucleus, and other organelles.

    〔生〕原生质,原浆(包括细胞质、细胞核及其他细胞器)

    Example sentencesExamples
    • It was eventually realised that the culprit was a non-cellular form of ‘life’ that could diffuse through the cell walls and membranes into the cell's protoplasm.
    • They do not store vital dyes and, in the structure of their nucleus and the behavior of their protoplasm, resemble mesenchymal cells.
    • The protoplasm is extruded as pseudopods via the aperture and through any perforations that may be present in the test.
    • It is likely that lignified cells that lack membranes and protoplasm also lack sensitivity.
    • Their protoplasm has a distinct reticular structure and contains-especially in the experiments with the introduction of egg yolk into the subcutaneous tissue-numerous clear vacuoles and granular inclusions.

Origin

Mid 19th century: from Greek prōtoplasma (see proto-, plasma).

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