uterus. In vitro fertilization (IVF) is a process by which egg cells are fertilized by sperm outside the womb, in vitro. Fertilization was not understood...
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Human reproduction is sexual reproduction that results in human fertilization to produce a human offspring. It typically involves sexual intercourse between...
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Fertilisation (redirect from Fertilization)
Fertilisation or fertilization (see spelling differences), also known as generative fertilisation, syngamy and impregnation, is the fusion of gametes...
45 KB (5,218 words) - 03:45, 17 August 2024
The Human Fertilisation and Embryology Authority (HFEA) is an executive non-departmental public body of the Department of Health and Social Care in the...
16 KB (1,769 words) - 19:07, 30 March 2024
Zygote (redirect from Fertilized egg)
ζυγοῦν (zygoun) 'to join, to yoke') is a eukaryotic cell formed by a fertilization event between two gametes. The zygote's genome is a combination of the...
9 KB (872 words) - 07:52, 28 June 2024
Development of the human body is the process of growth to maturity. The process begins with fertilization, where an egg released from the ovary of a female...
25 KB (2,849 words) - 13:27, 13 July 2024
Sperm (category Human male reproductive system)
fertilization. In some protists, fertilization also involves sperm nuclei, rather than cells, migrating toward the egg cell through a fertilization tube...
30 KB (3,401 words) - 06:05, 28 May 2024
fallopian tubes for fertilization of the ovum. Only one sperm is required to fertilize the ovum. Upon successful fertilization, the fertilized ovum, or zygote...
16 KB (1,725 words) - 06:51, 21 August 2024
Internal fertilization is the union of an egg and sperm cell during sexual reproduction inside the female body. Internal fertilization, unlike its counterpart...
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In vitro fertilisation (redirect from In Vitro Fertilization)
parenthood project during in vitro fertilization and after discontinuation of unsuccessful in vitro fertilization". Fertility and Sterility. 92 (1): 149–156...
173 KB (20,281 words) - 18:31, 30 July 2024
old. 1–7 days from fertilization. Fertilization of the ovum to form a new human organism, the human zygote. (day 1 of fertilization) The zygote undergoes...
18 KB (2,127 words) - 23:25, 5 June 2024
Gamete (redirect from Gamete fertilization)
(gámos) 'marriage') is a haploid cell that fuses with another haploid cell during fertilization in organisms that reproduce sexually. Gametes are an organism's reproductive...
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terms, the development of the human body entails growth from a one-celled zygote to an adult human being. Fertilization occurs when the sperm cell successfully...
43 KB (5,259 words) - 16:16, 15 August 2024
Spermatozoon (redirect from Human sperm)
after fertilization differ in that they carry an X-chromosome, while sperm cells that give rise to male (XY) offspring carry a Y-chromosome. A human sperm...
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Humans (Homo sapiens, meaning "thinking man") or modern humans are the most common and widespread species of primate, and the last surviving species of...
266 KB (25,497 words) - 23:48, 22 August 2024
Female reproductive system (redirect from Female reproductive system (human))
uterus, a single sperm cell can enter and merge with it, fertilizing it into a zygote. Fertilization usually occurs in the fallopian tubes and marks the beginning...
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XY sex-determination system (redirect from Chromosome 23 (human))
pellucida, which the sperm must penetrate to fertilize the egg. Once viewed simply as an impediment to fertilization, recent research indicates the zona pellucida...
30 KB (3,526 words) - 01:06, 17 August 2024
kisses Human anus Human bonding Human female sexuality Human fertilization Human gonad Human male sexuality Human penis Human population control Human reproduction...
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Pregnancy (redirect from Human pregnancy)
nine months. Counting by fertilization age, the length is about 38 weeks. Pregnancy is "the presence of an implanted human embryo or fetus in the uterus";...
143 KB (14,266 words) - 18:26, 12 August 2024
Aquatic arthropods may breed by external fertilization, as for example horseshoe crabs do, or by internal fertilization, where the ova remain in the female's...
39 KB (4,860 words) - 02:34, 21 August 2024
Male reproductive system (redirect from Male reproductive system (human))
the urinary and reproductive organs. Sexual identity is determined at fertilization when the genetic sex of the zygote has been initialized by a sperm cell...
25 KB (2,872 words) - 14:34, 19 August 2024
aspect of mating. Many aquatic animals use external fertilization, whereas internal fertilization may have developed from a need to maintain gametes in...
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Semen (redirect from Human semen)
the species, spermatozoa can fertilize ova externally or internally. In external fertilization, the spermatozoa fertilize the ova directly, outside of...
51 KB (5,146 words) - 19:28, 1 August 2024
nourish other organisms. Ocean iron fertilization is an example of a geoengineering technique. Iron fertilization attempts to encourage phytoplankton...
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Hermaphrodite (redirect from Human hermaphroditism)
hermaphroditic species exhibit some degree of self-fertilization. The distribution of self-fertilization rates among animals is similar to that of plants...
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Humster (category Human hybrids)
with pure human embryonic stem cell lines. To assess the viability of human sperm for in vitro fertilization Somatic cell hybrids between humans and hamsters...
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and mating types. The original form of sex was external fertilization. Internal fertilization, or sex as we know it, evolved later and became dominant...
66 KB (7,643 words) - 08:04, 2 August 2024
Reproductive system (redirect from Human Reproductive System)
cervix into the uterus or fallopian tubes for fertilization of the ovum. Upon successful fertilization and implantation, gestation of the fetus then occurs...
24 KB (2,989 words) - 17:49, 12 July 2024