plastids

We may define it most precisely as the ultimate organic unit, and, as the cells are the sole active principles in every vital function, we may call them the "plastids," or "formative elements."

The Evolution of Man — Volume 1 Ernst Heinrich Philipp August Haeckel 1876

When Clifford died in 1928, while they were living in St. Louis, Wanda Farr carried on with her research and eventually became Director of the Cellulose Laboratories at the Boyce Thompson Institute for Plant Research in Yonkers, New York, doing pioneering work on cellulose synthesis and plastids.

Depictions of 20th Century Women in Science: The Smithsonian Collection Peggy 2009

The mitochondrial genes could be derived from transposable elements, plastids or viruses and could come from either the nuclear genome or a bacterial genome.

A critique on the endosymbiotic theory for the origin of mitochondria 2007

Don't see how you retrogradely fit preplastids onto plastids without corrupting the function of the endosymbiont chloroplast.

A critique on the endosymbiotic theory for the origin of mitochondria 2007

It is also found in the plastids of plants like the cantaloupe.

Cindy Crawford Gets Extorted For Some Reason 2006

Masses of active material found in certain cells, called plastids.

Physiology and Hygiene for Secondary Schools Francis M. Walters

As I have often said, we must recognise two different stages of development in these "elementary organisms," or plastids

The Evolution of Man — Volume 2 Ernst Heinrich Philipp August Haeckel 1876

A phytomoneron, the globular plastids of which secrete a gelatinous structureless membrane.

The Evolution of Man — Volume 2 Ernst Heinrich Philipp August Haeckel 1876

From the morphological point of view both the vegetal and the animal Protists were simple organisms, individualities of the first order, or plastids.

The Evolution of Man — Volume 2 Ernst Heinrich Philipp August Haeckel 1876

On account of this feature these amoeboid plastids are called "eating cells"

The Evolution of Man — Volume 2 Ernst Heinrich Philipp August Haeckel 1876