Web2. sterility - the state of being unable to produce offspring; in a woman it is an inability to conceive; in a man it is an inability to impregnate. infertility. physical condition, … WebA species is a group of individual organisms that interbreed and produce fertile, viable offspring. According to this definition, one species is distinguished from another when, in nature, it is not possible for matings between individuals from each species to produce fertile offspring.
Sterility - definition of sterility by The Free Dictionary
Webproduces, maintains, and transports sperm; responsible for the development of male secondary sex characteristics sperm the male sex cell required for fertilization of the female egg gamete reproductive cell (ovum or sperm) that contains one-half of the chromosomes required to produce an offspring of the species libido WebDescription Klinefelter syndrome is a chromosomal condition in boys and men that can affect physical and intellectual development. Most commonly, affected individuals are taller than average are unable to father biological children (infertile); however the signs and symptoms of Klinefelter syndrome vary among boys and men with this condition. いい 歳してヤンキー
Sterile - definition of sterile by The Free Dictionary
WebFor example, when a female horse and a male donkey mate, they produce hybrid offspring called mules. Although a mule, pictured below, is perfectly healthy and can live to a ripe old age, it is infertile and cannot have its own offspring. Because of this, we consider horses and donkeys separate species. WebIn demographic usage, sterility refers to nonsurgically-achieved inability to procreate, while (in English) fecundity refers to capacity to produce a live child and fertility and infertility refer to reproductive performance rather than capacity. WebJul 1, 2004 · Medical dictionary definitions improve on the general dictionaries, but raise new problems, for example Stedman’s Medical Dictionary , 27th edn: ‘Infertility: diminished or absent ability to produce offspring; in either the … osteo nadege cellier