Centrosome
Videos
The centrosome is a non-membrane bounded organelle in the animal cell that serves as the main microtubule organizing centre and a regulator of cell-cycle progression. The centrosome provides structure
Role of the centrosome in cell cycle progression
Centrosome (shown by arrow) next to nucleus
Mitosis
Videos
Mitosis is a part of the cell cycle in eukaryotic cells in which replicated chromosomes are separated into two new nuclei. Cell division by mitosis is an equational division which gives rise to geneti
Interphase nucleus (left), condensing chromosomes (middle) and condensed chromosomes (right)
A cell in late metaphase. All chromosomes (blue) but one have arrived at the metaphase plate.
Ciliate undergoing cytokinesis, with the cleavage furrow being clearly visible
An abnormal (tripolar) mitosis (12 o'clock position) in a precancerous lesion of the stomach (H&E stain)