Pixel - Picture element; the smallest addressable section of a digital image. Within the pixel boundaries the grey level or colour of the image can be considered constant. (Back)

Segmentation - process that divides an image into its constituent parts or objects.  It is a grouping process which identifies regions in the image as being similar, with respect to some defined criterion or standard. (Back)

Nuclei- plural of nucleus.

Nucleus - is the control centre of the cell.  It consists of DNA strands.  This DNA is arranged into structures called chromosomes. (Back)

Chromosomes - Strands of DNA with genes located on the chromosomes.  These genes control the structures that inform the cell on how to make certain proteins.  Genes control the number of fingers we have, the colour of our hair, eyes and lots more.  Each human has 46 chromosomes in each nucleus.            (excluding sex cells) (Back)