reproduction

[Pref. re-, and Eng. pro duction (q. v.).] 1. The act of reproducing, or of yielding, presenting, or producing anew. "The experiment about the reproduction of saltpetre." -Boyle: Works, iii. 61. 2. Specif .: The proce by which new individuals are generated, and the perpetuation of species insured; the proce by which new organisms are reproduced from those already existing. "There is also a reproduction of mankind, but not by the ordinary method of propagation as now."- Hale . Orig. of Mankind , p. 217. Reproduction of animals is of two kinds, sexual [GAMOGENESIS, HOMOGENESIS] and non-sexual [XENOGENESIS). The former is effected by the contact of a germ cell or ovum and a sperm cell or spermatozõoid. When the former is present in a female and the latter in a maie, the species is said to be diœcio us; when there is only one individual, the terms used are hermaphrodite, androgynous, or moncæcio us. Non-sexual, agamic, or asexual reproduction is by gemmation and fi ion, by internal gemmation, by alternation of generations, or by parthenogenesis (q. v.). In plants also there is a sexual and an asexual reproduction. The former is by germ cells or oðspheres, the latter by spores, gem me, bulbils, conidia, buds, gonidia, . 3. That which is reproduced, revived, or presented anew; as, The play is not new, but a repro duction. Reproduction of parts : [REGENERATION.] re-pro-duc-tive, re-pro-duc-tõr-ỹ, a . [Pref. re-, and Eng. productive, productory (q. v.).] Pertaining to or concerned with reproduction; tending or having the power to reproduce; as, the reproductive organs, the reproductive system. reproductive-cells, s . pl . Bot .: Cells which aid in the proce of reproduction. They may be sexual or asexual. reproductive-faculty, s. Metaph.: (See extract.) "This Reproductive Faculty is governed by the laws If which regulate the succe ion of our thoughts these laws are allowed to operate without the intervention of the will, this faculty may be called Suggestion, or Spontaneous Suggestion; whereas, if applied under the influence of the will, it will properly obtain the name of Reminiscence or Recollection." Hamilton: Metaphysics (ed. Mansel), ii. 12. *re-pro-mi ion ( as sh), *re-pro-mys-sioun, s. [Lat. repromi io .] A renewed promise. "And he ble ide this Abraham which hadde repromys siouns." - Wyclife: Ebrewis vii. *re-pro-mul-gāte, v . t . [Pref. re-, and English promulgate (q. v.).] To promulgate or publish again; to republish.