There are thus two female openings, one for copulation, the other for oviposition, as well as a male opening.
It is probable that they acquire special sensibility at the breeding season and serve as " guides " in copulation.
age of the male modified to b, Fused terga of the prosoma subserve copulation.
Eggs deposited in a cocoon after copulation.
In this duct and sac the spermatophores received in copulation from another snail are lodged.
It is supposed to act in some way as a stimulant in copulation, but possibly has to do with the calcareous covering of the egg-capsule.
Spermatheca or receptacle of the sperm in copulation, opening into the female duct.
the molecular weights were the same as in use to-day.) This connecting link, C2, was regarded as essential, while the methyl, ethyl, &c. was but a sort of appendage; but Kolbe could not clearly conceive the manner of copulation.
It will be seen that each type depends upon a specific radical or atom, and the copulation of this character with any hydrocarbon radical (open or cyclic) gives origin to a compound of the same class.
Scorpio, being a terrestrial animal, fertilizes by copulation.
In Cephalopods and the majority of Gastropods copulation occurs.
There does not appear to be any true copulation.
- Batrachians may be divided into four categories under this head: - (t) no amplexation; (2) amplexation without internal fecundation; (3) amplexation with internal fecundation; (4) copulation proper.
This arrangement facilitates the internal fecundation of the female without copulation, the female absorbs the spermatozoa by squeezing them out of the spermatophore between the cloacal lips.
portion of which the ova or spermatozoa are developed, the lower portion serving as an oviduct or vas deferens; the female generative organs open at the middle of the body, the male close to the posterior extremity into the terminal portion of the alimentary canal; from this cloaca a diverticulum is given off in which are developed one to three chitinous spicules that subserve the function of copulation.
xxi.; Guignard, Sur las anthrozoides et la double copulation sexuelle chez les vbgtaux angiospermes, Comptes rendus (1899), 128; Flaberlandt, Physiologische PJlanzenanatomie (Leipzig, 1909); Die Lichtsinnesorgane der Laubbldtter (Leipzig, 1905); R.
The male, however, is a veritable pigmy beside the female, and during copulation presents the appearance of a parasite attached to her abdomen.
The word usage examples above have been gathered from various sources to reflect current and historial usage. They do not represent the opinions of YourDictionary.com.