On the impregnation of the ovum in the Amphibia: (Second series, revised.) And on the direct agency of the spermatozoon. (From the Philosoph. Transactions. P. II for 1853.) |
Other editions - View all
On the Impregnation of the Ovum in the Amphibia: (Second Series, Revised ... Ge Newport No preview available - 2015 |
On the Impregnation of the Ovum in the Amphibia ... (First Series ... Second ... George Newport No preview available - 2016 |
Common terms and phrases
abundance act of fecundation aëration Amphibia appeared applied artificial impregnation beneath the microscope Busk chamber was formed chloroform circumstances diffluence effected efferential ducts eggs were passed embryos were produced endosmic action endosmosis envelopes fact FAHR fecundated egg fecundatory agent fecundatory influence female fluid employed four hours GEORGE NEWPORT germinal vesicle glass cell imbibition instance liquor seminis male mature mixed with water motionless narcotized number of spermatozoa observations obtained ovary oviduct oviposition ovum penetration Philosophical Transactions pin point pin-head power of motion PREVOST and DUMAS produced an embryo produced embryos quantity of spermatozoa quantity of water remained respiratory chamber Sciences Nat season seemed segmentation commenced Semen seminal fluid separate cells solution of potass SPALLANZANI spermatic bodies spermatic fluid spermatozoal cells substance supplied surrounding medium tion Toad touched once tozoon Triton triturated underwent segmentation vesiculæ seminales vitality vitellary membrane vitelline membrane WAGNER and LEUCKARDT white surface yelk