fertilization
81double fertilization — the fertilization process characteristic of flowering plants, in which one sperm cell of a pollen grain fertilizes an egg cell while a second fuses with two polar nuclei to produce a triploid body that gives rise to the endosperm. [1905 10] * * * …
82in vitro fertilization (IVF) — or test tube conception Procedure, used to overcome infertility, in which eggs are removed from a woman, fertilized with sperm outside the body, and inserted into the uterus of the same or another woman. The first child thus conceived was born in …
83cross-fertilization — noun a) Fertilization by the union of gametes of different plants (sometimes of different species). b) The mutual exchange of ideas or concepts from different fields for mutual benefit …
84in vitro fertilization — noun The fertilization of an egg by sperm outside of a womans body; normally used as a treatment for infertility …
85self-fertilization — noun The fertilization of a plant by itself; self pollination …
86self-fertilization — Fecundation of the ovules by the pollen of the same flower, or of the ova by the spermatozoa of the same animal in hermaphrodite forms; denoting an extreme type of inbreeding seen in certain plants and animal forms which produce both male and… …
87Cross-fertilization — can refer to: Allogamy, where an ovum from one individual is fertilized with the spermatozoa of another Heterosis, where different strains are cross bred to form a hybrid the union of pollen from the anther of the stamen, with the female gametes… …
88cross-fertilization — cross fer·til·iza·tion or Brit cross fer·til·isa·tion .fərt əl ə zā shən n fertilization in which the gametes are produced by separate individuals or sometimes by individuals of different kinds …
89in vitro fertilization — (IVF) fertilization of an ovum outside the body, the resultant zygote being incubated to the blastocyst stage and then implanted in the uterus. The technique, pioneered in Britain, resulted in 1978 in the birth of the first test tube baby. IVF is …
90cross fertilization — the fertilization of one flower by the pollen of another; allogamy …
