അർത്ഥം : (genetics) cell division that produces reproductive cells in sexually reproducing organisms. The nucleus divides into four nuclei each containing half the chromosome number (leading to gametes in animals and spores in plants).
പര്യായപദങ്ങൾ : meiosis, reduction division
അർത്ഥം : Reflex contraction of the sphincter muscle of the iris in response to a bright light (or certain drugs) causing the pupil to become smaller.
പര്യായപദങ്ങൾ : light reflex, myosis, pupillary reflex