Reproduction

(re -pro -duk'- shun) (reproductio; again; producere, to produce. The begetting ofo;!, individuals similar to the parent organism. In bioloj; 1 (a) sexual or asexual generation. Cf. Abiogent Arch i genesis, Biogenesis, Fi ion, Gemmation, genesis, Homogenesis, Parthenogenesis, Sel Xenogenesis; (b) a conscious repetition of perce.. R., Asexual, that without sexual in course. R., Endogenous, internal cell R., Sexual, that by the union of sexually distinct ce Reproductive (re-pro-duk' -tiv) (reproducers to re duce. Having the functions of, or pertaining reproduction. R. Function, the power and cap. ity of begetting. R. Organs, the organs in the procreation of offspring. R. Organs, C velopment of; the Primitive Kidneys 01 Ducts or ducts of the pronephros, are cation of the urinary and generative apparatus 1 fertilized ovum. They appear at the side ol the vertebra; from the fifth to the last vertel ler's Duct, parallel to the Wolffian duct, unites a it to open into the uro-genital sinus, the other opening into the abdominal cavity. ducts become the Fallopian tubes, hydatid, vagina, in the female, and in the male tin becomes the male uterus or vesicula prost a hydatid of Morgagni. The Wolffian bod nephros becomes in the female the parovai of Roseniniiller), or par oophoron, ami roun of the uterus; while in the male there are from it the vasa efferent i a (coni vasculosi), I of Giraldes and the gubernaculum testis female the Wolffian ducts become the chief tut" the parovarium and the ducts of Gartner; in true resins are hard, compact products of oxidation, they become the convoluted tubes of the epididymis, the vas deferens, and the vesiculae seminal is. See, also, Metanephros. R. System, in biology, all the organs directly or indirectly concerned in generation.