intromission

n.

插入；入场许可；干涉；干预

Intromission
intromission
Intromission
Effects of intromission without ejaculation upon sexual behavior in male rats.
Intromission pattern and species vaginal code in relation to induction of pseudopregnancy.
The Effects of Intromission Frequency on Successful Pregnancy in the Female Rat
The Process of Intromission in the Mediterranean Fruit Fly, Ceratitis capitata (Diptera: Tephritidiae)
Effects of mounts without intromission upon the behavior of female rats during the onset of estrogen-induced heat
Effects of mounting without intromission and intromission without ejaculation on sexual behavior and maze learning.
Paced copulation in rats: effects of intromission frequency and duration on luteal activation and estrus length.
The function of female resistance behavior: intromission by male coercion vs. female cooperation in sepsis flies (Diptera: Sepsidae)
On the evolution of the mammalian baculum: vaginal friction, prolonged intromission or induced ovulation?
Effects of alpha-melanocyte-stimulating hormone on magnocellular oxytocin neurones and their activation at intromission in male rats.