Word.ws English Dictionary

plastosome

plastosome noun: any of various organelles found within a cell, especially a mitochondrion.

Noun

plastosome (plural plastosomes)

  1. (obsolete) Any of various organelles found within a cell, especially a mitochondrion.
    • The plastosome itself sometimes survives the growth period as a unit, though often it does not.1914, Contributions from the Zoological Laboratory - Volume 19, page 436
    • Just as a nucleus has always for its genesis a division of a mother-nucleus, so have the plastosomes for their origin a division of a mother-plastosome.1916, Journal of Morphology, page 561

Examples of plastosome in a sentence

  • These granules later (early spermatocytes) disappear from the nucleus simultaneously with the disappearance of the plastosome.1917, Proceedings of the American Academy of Arts and Sciences, page 258:
  • The shape of the plastonema and its relation to the plastosome appear clearly in figures 1, 2, and 3.1930, Proceedings of the National Academy of Sciences of the United States of America, page 537:
  • The proplastid of I. howellii is a flattened structure that is differentiated into a plastonema and a plastosome.1961, University of California, Davis, Summaries of Dissertations Submitted in Partial Satisfaction of the Requirements for the Degree of...

Forms of plastosome

pluralplastosomes

Origin of plastosome

From plasto- + -some.

Questions about plastosome

What does plastosome mean?
Plastosome means any of various organelles found within a cell, especially a mitochondrion.
How do you use plastosome in a sentence?
These granules later (early spermatocytes) disappear from the nucleus simultaneously with the disappearance of the plastosome.
What part of speech is plastosome?
Plastosome is a noun.
What is the plural of plastosome?
The plural of plastosome is plastosomes.

Words near plastosome in the dictionary

  1. plastoquinones
  2. plastoribosome
  3. plastoribosomes
  4. plastosemiquinone
  5. plastosemiquinones
  6. plastosome
  7. plastosomes
  8. plastotype
  9. plastotypes
  10. plastral
  11. plastre

Source and license

Adapted from Wiktionary: plastosome (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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