plastosome

English

Etymology

From plasto- +‎ -some.

Noun

plastosome (plural plastosomes)

1. (obsolete) Any of various organelles found within a cell, especially a mitochondrion.
   • 1914, Contributions from the Zoological Laboratory - Volume 19, page 436:

     The plastosome itself sometimes survives the growth period as a unit, though often it does not.

   • 1916, Journal of Morphology, page 561:

     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.

   • 1917, Proceedings of the American Academy of Arts and Sciences, page 258:

     These granules later (early spermatocytes) disappear from the nucleus simultaneously with the disappearance of the plastosome.

   • 1930, Proceedings of the National Academy of Sciences of the United States of America, page 537:

     The shape of the plastonema and its relation to the plastosome appear clearly in figures 1, 2, and 3.

   • 1961, University of California, Davis, Summaries of Dissertations Submitted in Partial Satisfaction of the Requirements for the Degree of Doctor of Philosophy:

     The proplastid of I. howellii is a flattened structure that is differentiated into a plastonema and a plastosome. Lamellae and starch granules appear first in the plastonema and later in the plastosome.