This lithograph illustrates the high quality of the visualization techniques used in 1901 for documenting the cellular structures involved in cell division. The figure shows chromosomes in the ...

just as Van Beneden had already described them in the segmenting eggs of Ascaris megalocephala. But whilst the worm has furnished the text for numberless papers and memoirs, the diatoms have been ...

The giant roundworm Ascaris lumbricoides infects approximately 0.8 billion people worldwide, leading to chronic morbidity including intestinal problems and poor growth, particularly in children.