intromission


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intromission

[‚in·trə′mish·ən]
(zoology)
The act or process of inserting one body into another, specifically, of the penis into the vagina.
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DEHP exposure of 5 and 50 [micro]g/kg/d also increased the latency to the first intromission, whereas the mating duration and parameters of sexual performance (frequency of mounts with intromissions and thrusts, intromission ratio, genital grooming) remained unchanged.
According to figure 2B, there were no significant differences among the groups on number of intromission in 40 min.
In these situations, both surgeons and families operate with a robust set of assumptions about what genitals (are supposed to) do: "[C]linicians state in no uncertain terms that the phallus must be large enough for intromission or intercourse.
Abdelkrim demeure "le noyau d'une memoire presque disparue et effacee d'un peuple qui aspirait a vivre en paix avec ses traditions, sa culture, sans nulle interference ni intromission etrangere ni contingents d'armees de plusieurs nations avides du pouvoir et de solutions a leurs problemes internes qui etouffaient leurs economies et hypothequaient leur progres".
If the baculum has an adaptive function is still in debate, but three main hypotheses for its function have been proposed so far: firstly, to facilitate intromission through extra rigidity and support to overcome vaginal friction; secondly, to allow prolonged intromission to assist sperm transport; and last, to provide extra rigidity to stimulate female ovulation (Lariviere and Ferguson, 2002).
Postpartum sexuality involves considerably more than the physical act of genital stimulation--with or without intromission or penile penetration--and depends on more than the physical state of recovery of the vagina (after vaginal delivery).
The sexual behavior of the male rats was studied as explained elsewhere, (26) the copulatory behavior of the male rat was characterized by a series of mounts with or without vaginal intromission from the rear of the female approximately once in every 30 to 120 sec, that eventually culminates in ejaculation.
The orally administered extract had a dose dependent positive effect on mounting frequency, intromission frequency and ejaculation frequency and the most significant effects (p<0.
There have been two basic models of visual perception in western civilization: intromission theory and extramission theory.
Because of their economic importance and the extensive use of sterile male releases for tephritid control in Texas and Mexico, various aspects of their basic reproductive biology have been studied, but the process of intromission has received little attention.
Once the biting courtship phase was over and intromission was attained, there was a long, smooth and synchronous period of swimming during copulation, with no twisting.
It showed that groups began to organize themselves as political parties in the 1840s, but that their real purpose was to gain government control in order to keep their interests safe from any intromission.