Sentence examples for during the copulation from inspiring English sources

"Several undulations of the penis were observed during the copulation," write the researchers, "but it is not known whether these were associated with ejaculation".

Copulation calls consist of a rhythmic succession of high-frequency squeaks or screams and typically begin during the copulation, after mounting and intromission (fig 5).

Only calls that occurred during the copulation were considered to control for the vocalisation being elicited by an alternative stimulus other than the copulation.

We expected that sperm transferred during the copulation had by this time completely migrated form the bursa copulatrix into the queen's spermatheca.

The discriminative binding profiles between sexes should have a natural tie with the varied expression patterns of DmelOBP99b, which calls for more experiments, guiding the behavior of males and females especially during the copulation.

During the copulation, the male usually maintained a tight hold on the scruff of the female's neck by using his mouth, and his thumbs held her wings firmly.

Fluorescence signals from G-CaMP3 and DsRed were recorded simultaneously during the copulations of 2-day-old wild-type and sir-2.1 0) sir-2.1 0h paralyzed hermalesodites containing the transgene rgEx 431[ Phsp-16:egl-2(gf); Punc-103E:DsRed].

If stronger precopulatory resistance affects the efficiency of sperm transfer during the consecutive copulation, then in female-biased treatments, it might have taken longer for males to transfer sperm.

For each of the 8 males we compared the copulation of the pedipalp used during the first copulation.

They found that when the male position was skewed a bit to one side or the other during copulation, the fungi appeared later on the female in a similarly offset position.

For instance, Nasonia vitripennis males are able to mate with hundreds of females (Barrass, 1961) but only inseminate a small proportion during the earlier copulations (van den Assem, 1986).