Medical dictionary. 2011.
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Meiosis — Not to be confused with miosis, mitosis, or myositis. For the figure of speech, see meiosis (figure of speech). Events involving meiosis, showing chromosomal crossover Meiosis (pronounced /maɪˈoʊsɨs/ … Wikipedia
chiasma — SYN: chiasm. [G. c., two crossing lines, fr. the letter chi, 3] c. opticum [TA] SYN: optic chiasm. c. tendinum [TA] SYN: tendinous chiasm of the digital tendons. * * * chi·as·ma kī az mə, kē n, pl ma·ta mət ə 1) an anatomical intersection or… … Medical dictionary
Crossing over — The exchange of genetic material between two paired chromosomes. Crossing over is a way to recombine the genetic material so that each person (except for identical twins) is genetically unique. * * * (in genetics) the exchange of sections of… … Medical dictionary