Embryology

Embryology

Embryology (pronunciation: /ɛmbrɪˈɒlədʒi/) is the branch of biology that studies the prenatal development of gametes (sex cells), fertilization, and development of embryos and fetuses. Additionally, embryology encompasses the study of congenital disorders that occur before birth.

Etymology

The term "embryology" comes from the Greek words "embryo", meaning "young one", and "logia", meaning "study of".

Related Terms

• Gamete: A mature haploid male or female germ cell that is able to unite with another of the opposite sex in sexual reproduction to form a zygote.
• Fertilization: The action or process of fertilizing an egg, female animal, or plant, involving the fusion of male and female gametes to form a zygote.
• Embryo: An unborn or unhatched offspring in the process of development, especially an unborn human in the first eight weeks from conception.
• Fetus: An unborn offspring of a mammal, in particular, an unborn human baby more than eight weeks after conception.
• Congenital disorder: Also known as a birth defect, it is a condition existing at or before birth regardless of cause.

See Also

• Developmental biology
• Reproductive biology
• Prenatal development
• Teratology

External links

• Medical encyclopedia article on Embryology
• Wikipedia's article - Embryology

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