Females also exhibit paragenital modifications at the site of intromission, which include grooves and invaginated copulatory tubes to guide the male paramere.
12.
Ibn al-Haytham is also regarded as the father of optics, especially for his empirical proof of the intromission theory of light.
13.
Greek philosophy on optics broke down into two opposing theories on how vision worked, the " intromission theory " and the " emission theory ".
14.
Aphallic individuals of " Ariolimax " species are still able to mate, but only as females, as they have intromission and internal sperm exchange.
15.
Japan was effectively isolated from the rest of the world from 1635 until 1854; there was no possibility of intromission of foreign genes to the cattle population during this time.
16.
The male actor then moves towards the frontal left edge of the partner's shell, where he probes the female gonopore with his penis to subsequently achieve penis intromission.
17.
The most important development of the scientific method was the use of experiments to distinguish between competing scientific theories set within a generally empirical orientation, which began among intromission theory of light.
18.
Those primates that have multi-male mating systems tend to have bacula that are larger in size, in addition to prolongation of post-ejaculatory intromission and larger relative testis size.
19.
The Historic Reparation Fund, " breaks the negative intromission of sectors that don't represent institutions " as well as benefiting " the long forgotten people of Salta " by creating infrastructure and jobs.
20.
He held an extramission-intromission theory of vision : the rays ( or flux ) from the eye formed a cone, the vertex being within the eye, and the base defining the visual field.
