Ribosomes, or particles of Palade, in rat pancreas.
PALADE
But when Palade noted a particulate component of the cytoplasm, he confirmed its presence using two different fixatives, and described its particular abundance in embryonic, rapidly proliferating, and glandular cells (Palade, 1955). Thus were born the particles of Palade, later known as ribosomes.
Palade saw that the particles were both on the endoplasmic reticulum (ER) and free in the cytoplasm. Although the ER was identified in 1945 (Porter et al., 1945), by 1955 the terms ER, ergastoplasm, and basophilic cytoplasm were still used almost interchangeably—the last in reference to...
The Rockefeller University Press
2005
The Rockefeller University Press
2005
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