We may in this way obtain endless varieties, nuclei which are opaque or transparent, with or without a nucleolus, and cells containing homogeneous cytoplasm without a nucleus.
"The Mechanism of Life"
Stéphane Leduc
This nucleus may in its turn contain a nucleolus.
"The Mechanism of Life"
Stéphane Leduc
With the microscope at his eye, he magnifies nature's mysteries; he sums up the investigations of the Hertwig brothers; he discourses learnedly of the nucleolus of the Cytula-or progeny cell.
"Editorials-from-the-Hearst-Newspapers"
Brisbane, Arthur
