| reproductive system n. The bodily system of gonads, associated ducts, and external genitals concerned with sexual reproduction. |
| reproductive system 1. The system of organs involved with animal reproduction, especially sexual reproduction. The structure of animal reproductive systems depends on the type of fertilization (internal or external) and whether the animal lays eggs or bears live offspring. In mammals, the reproductive system consists mainly of the ovaries, fallopian tubes, uterus, and vagina in females and the testes, sperm ducts, and penis in males. 2. The system of organs involved with the reproduction, especially the sexual reproduction, of plants and other complex multicellular organisms that are not animals. In flowering plants, the reproductive system consists of pistils and stamens. In conifers and most other gymnosperms, the reproductive system consists of male and female cones. The male gametes are produced directly from a cell in the pollen grain of these gymnosperms rather than in a distinct reproductive structure, while the female cones have ovules containing archegonia. In seedless plants (bryophytes and ferns), the reproductive system consists of archegonia and antheridia. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  reproductive system - organs and tissues involved in the production and maturation of gametes and in their union and subsequent development as offspringsystem - a group of physiologically or anatomically related organs or parts; "the body has a system of organs for digestion" germ cell, reproductive cell, sex cell - a spermatozoon or an ovum; a cell responsible for transmitting DNA to the next generation apparatus urogenitalis, genitourinary apparatus, genitourinary system, systema urogenitale, urinary apparatus, urinary system, urogenital apparatus, urogenital system - the system that includes all organs involved in reproduction and in the formation and voidance of urine reproductive organ, sex organ - any organ involved in sexual reproduction female reproductive system - the reproductive system of females male reproductive system - the reproductive system of males |
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