reproductive en
41reproductive system, animal — Introduction any of the organ systems by which animals reproduce. The role of reproduction is to provide for the continued existence of a species; it is the process by which living organisms duplicate themselves. Animals compete with… …
42Reproductive health — Within the framework of WHO s definition of health as a state of complete physical, mental and social well being, and not merely the absence of disease or infirmity, reproductive health, or sexual health/hygiene, addresses the reproductive… …
43reproductive system, plant — Introduction any of the systems, sexual or asexual, by which plants reproduce. In plants, as in animals, the end result of reproduction is the continuation of a given species, and the ability to reproduce is, therefore, rather conservative …
44reproductive system, human — Organ system by which humans reproduce. In females, the ovaries sit near the openings of the fallopian tubes, which carry eggs from the ovaries to the uterus. The cervix extends from the lower end of the uterus into the vagina, whose opening, as… …
45reproductive system disease — Introduction any of the diseases and disorders that affect the human reproductive system (reproductive system, human). They include abnormal hormone production by the ovaries or the testes or by other endocrine glands, such as the pituitary …
46Reproductive system disease — A reproductive system disease is any disease that impairs the ability to reproduce. Such diseases may arise from genetic or congenital abnormalities, such as hermaphroditism, from functional problems such as impotence or infertility or… …
47reproductive style — the methods of reproduction seen in fishes have been summarised in Balon (1990). Three ethological sections are nonguarders, guarders and bearers. Nonguarders produce eggs which are scattered into the water (reproductive guilds pelagophils,… …
48reproductive toxicity — The occurrence of biologically adverse effects on the reproductive systems of females or males that may result from exposure to environmental agents. The toxicity may be expressed as alterations to the female or male 28 reproductive organs, the… …
49Reproductive value (population genetics) — Fisher s reproductive value was defined by R. A. Fisher in his 1930 book The Genetical Theory of Natural Selection as the expected reproduction of an individual from their current age onward, given that they have survived to their current age. It …
50Reproductive isolation — An important concept in evolutionary biology, reproductive isolation is a category of mechanisms that prevent two or more populations from exchanging genes. The separation of the gene pools of populations, under some conditions, can lead to the… …
