superfetation(redirected from multifetation)
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Formation or development of a second fetus when one is already present in the uterus, occurring normally in certain vertebrate species.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Physiology) physiol the presence in the uterus of two fetuses developing from ova fertilized at different times
[C17 superfetate, from Latin superfētāre to fertilize when already pregnant, from super- + fētāre to impregnate, from fētus offspring]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
su•per•fe•ta•tion(ˌsu pər fiˈteɪ ʃən)
the fertilization of an ovum in a female mammal already pregnant.
[1595–1605; < Latin superfētā(re) to conceive again while still pregnant]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
a conception occurring after the onset of a pregnancy from an earlier conception.See also: Birth
a conception occurring during a pregnancy from an earlier conception.See also: Biology
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
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|Noun||1.||superfetation - fertilization of a second ovum after a pregnancy has begun; results in two fetuses of different ages in the uterus at the same time; "superfetation is normal in some animal species"|
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
n. superfetación, fecundación de dos óvulos en el mismo útero en un intervalo de tiempo corto aunque correspondientes a dos períodos menstruales diferentes.
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