Internal fertilization - Wikipedia, the free encyclopedia
Internal fertilization is a form of fertilization of an egg by within the body of an animal, whether female or hermaphroditic. This is distinct from external fertilization, where the union of the ova ...
en.wikipedia.org/wiki/Internal_fertilization
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External fertilization - Wikipedia, the free encyclopedia
External fertilization is a form of fertilization in which a sperm cell is united with an egg cell external to the bodies of the reproducing individuals. In contrast, internal fertilization takes pla...
en.wikipedia.org/wiki/External_fertilization
This result indicates that sperm elimination in egg-jelly can function in the fertilization system. The roles of sperm guidance and sperm elimination under the physiological condition of internal fertilization of the newt are discussed.
www.medscape.com/medline/abstract/11857465
Several studies about the basic mechanism of fertilization suggest that the fertilization mechanism is modified among species to be suited for the fertilization environment. In amphibians, many anurans undergo external fertilization while most urodeles do internal fertilization.
www.medscape.com/medline/abstract/12520093
Definition of internal fertilization in the Medical Dictionary. internal fertilization explanation. Information about internal fertilization in Free online English dictionary. What is internal fertilization? Meaning of internal fertilization medical term. ... internal fertilization; internal fetal monitoring;
medical-dictionary.thefreedictionary.com/internal+ferti... medical-dictionary.thefreedictionary.com/internal+fertilization
During external fertilization, many gametes are released into the water by each sex at the same time and place. ... Internal fertilization is practiced by species that lay shelled eggs or have a period of internal embryonic development.
faculty.clintoncc.suny.edu/faculty/michael.gregory/file... faculty.clintoncc.suny.edu/faculty/michael.gregory/files/bio%20102/bio%20102%20lectures/Animal%20Reproduction/animal.htm
This important event is called fertilization. If fertilization takes place inside the female's body - as it does in mammals or birds - it is called internal fertilization. If it happens outside the female, in water, it is called external fertilization.
www.saburchill.com/chapters/chap0032.html
Hutchinson encyclopedia article about Internal fertilization. Internal fertilization. Information about Internal fertilization in the Hutchinson encyclopedia. ... Some species court their mates, and some even have internal fertilization of eggs.
encyclopedia.farlex.com/Internal+fertilization encyclopedia.farlex.com/Internal+fertilization
These new finds confirm that reproduction by internal fertilization and viviparity was much more widespread in the earliest gnathostomes than had been previously appreciated.
www.nature.com/nature/journal/v457/n7233/abs/nature0773... www.nature.com/nature/journal/v457/n7233/abs/nature07732.html
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