| 单词 | in vitro fertilization |
| 释义 | in vitro fertilizationnouna specialized technique by which an ovum, especially a human one, is fertilized by sperm outside the body, with the resulting embryo later implanted in the uterus for gestation. Origin of in vitro fertilizationFirst recorded in 1970–75 Words nearby in vitro fertilizationinvitatory, invite, invitee, inviting, in vitro, in vitro fertilization, in vivo, in vivo fertilization, invocate, invocation, invoice Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for in vitro fertilizationin vitro fertilization nouna technique enabling some women who are unable to conceive to bear children. Egg cells removed from a woman's ovary are fertilized by sperm in vitro; some of the resulting fertilized egg cells are incubated until the blastocyst stage, which are then implanted into her uterusAbbreviation: IVF Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for in vitro fertilizationin vitro fertilization n.Fertilization of an egg outside the body of a female by the addition of sperm, as a means of producing a zygote. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for in vitro fertilizationin vitro fertilization Fertilization of an egg outside the body of a female by the addition of sperm, as a means of producing a zygote. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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