Penis fencing is a mating behavior engaged in by many species of flatworm, such as Pseudobiceros hancockanus. Species which engage in the practice are...

also practice so-called penis-fencing, in which two males hang face to face from a branch while rubbing their erect penises together. ...Perhaps the...

internally by copulation. Some of the larger aquatic species mate by penis fencing, a duel in which each tries to impregnate the other, and the loser adopts...

two such worms involves penis fencing, as each worm tries to inject sperm into the other with one of its two stubby penises, while trying to avoid being...

the family Pseudocerotidae. This species has two penises, which it uses to engage in penis fencing, attempting to inject sperm into its opponent in order...

hermaphrodites. This particular genus engages in penis fencing. When the "winner" touches its penis to the "skin" of the other, insemination occurs, and...

hyenas, male and female, were born with what appeared to be a penis. The apparent penis in female spotted hyenas is in fact an enlarged clitoris, which...

internally by copulation. Some of the larger aquatic species mate by penis fencing – a duel in which each tries to impregnate the other, and the loser...

sexual conflict such as traumatic insemination, forced copulation, penis fencing, love darts and others. Female resistance traditionally includes reducing...

behaviour takes the form of penis fencing. In this form of copulation, the individual that first penetrates the other with the penis, forces the other to be...

hang from a tree limb face-to-face while penis fencing. This also may occur when two males rub their penises together while in face-to-face position....

much more internal and invasive method displayed by flat-worms called Penis fencing where hermaphroditic organisms will flight to try and impregnate their...

used in reference to GG rubbing among male bonobos, under the term "penis fencing", which is the non-human form of frot that human males engage in. Such...

Hermaphroditic flatworms reproduce by "penis fencing". Individuals "fence" with penises, attempting to use their penis to pierce the skin of the other and...

showed small genetic difference in the species Pseudoceros bifurcus. Penis fencing is not purely for reproduction and is not an aggressive battle of insemination...

tissue. These organisms participate in penis fencing, which is a behavior where the flatworms use their extended penises to stab and inseminate the other,...

S2CID 55535847. Chim, C. K.; Ong, Rene S. L.; Gan, B. Q. (2015). "Penis fencing, spawning, parental care and embryonic development in the cotylean flatworm...

hermaphrodites that use a form of hypodermic insemination known as penis fencing to determine which breeding partner is the female, and which is the...

impregnating them, forcing them to act as the female, an act commonly called "penis fencing." From here, the female lays eggs into a substrate, which hatch planktonic...

theory of mind November 17, 2017 270 Dr. Danna Staaf Humboldt squid, penis fencing among hermaphroditic flatworms, calamari pre-date the dinosaurs, and...

or athletic supporter, is an undergarment for protecting the scrotum and penis or vulva during contact sports or other vigorous physical activity. This...

prominent tower the capitol is popularly nicknamed "Tower on the Plains" or "Penis of the Plains." The capitol and its grounds are a frequent site of political...

majoring in film. While there, he studied screen writing and competed on the fencing team, serving a stint as captain of the sabre squad. He graduated in 1995...

slammed into face (6/10) Electric whisk on tongue (6/10) Electric whisk on penis (7/10) (Not broadcast) Onions squeezed into eyes (10/10) Alex Zane's Games:...

growths resembled penises and it was thought that women with these would be able to have heterosexual sex with other women because a penis was needed to have...

during fights. Males sport a roughly egg-sized sack near the opening of the penis, which collects urine and emits a sharp odour. The function of this sack...

anything from rolled up socks to specially made packers, which resemble a penis. Some packers are also created for trans men to be able to urinate through...

who brutally tortures and eventually castrates him. Ramsay sends Theon's penis in a box to Balon, with Ramsay threatening to mutilate Theon more unless...

is a male-dominated movement, incorrectly told students that zion means "penis" in Hebrew. Zion means "designated area or sign post." Liben also described...

of the cultural system of modern Pohnpei, bled to death after severing penis Silius Italicus (c. 103 AD), Roman consul, orator, author and poet, starvation...