miosis

Noun	1.	miosis - (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) Synonyms: meiosis, reduction division
	2.	miosis - reflex contraction of the sphincter muscle of the iris in response to a bright light (or certain drugs) causing the pupil to become smaller Synonyms: light reflex, pupillary reflex, myosis

anaphase, cell division, cellular division, cytokinesis, genetic science, genetics, karyokinesis, meiosis, metaphase, nondisjunction, prophase, reduction division, segregation, telophase