Centromere is defined as “a particular thick region of each chromosome that comes into view during mitotic cell division where the two daughter chromatids are held together to form an X shape.”
The subsistence of this specialized organelle was discovered by Theodor Boveri (Famous German Biologist) in 1888. Centromere is also referred as a “waist of a chromosome.” It consists of a paired centriole.
Image Courtesy: beltina.org
Centriole is defined as “a part of the cell that goes to the end of each cell during prophase and forms spindle fibers.” It is found near the nucleus in the cytoplasm of most eukaryotic cells of animals. A centriole was discovered in 1983 and is also referred as “cell body.”
Image Courtesy: micro.magnet.fsu.edu