Sentences with phrase «sperm during mating»
They also reasoned that the complicated penis ornaments might help sweep away other males» sperm during mating.
http://www.sciencemag.org/ Not exact matches
Next five months went by trying to mate during the ovulation period but since he was experiencing erectile dysfunction, we instead of going for intercourse tried to inject the sperm into my uterus using an injection syringe without the needle but our attempts failed and i didn't become pregnant.
Honeybee queens mate with many males during a short period of orgy, followed by a lifetime of celibacy, depending on the use of stored sperm for the rest of her lifetime.
By mating males of each fluorescent color to a single female, the researchers could visualize how sperm behaved and were displaced inside the female sperm storage organs during sequential copulations.1
Mating rate, mated status of the female, female identity, and female body size can all influence how much sperm some males are willing to relinquish during any particular copulation.
During the mating process, the penis of one barnacle is inserted into the body cavity of another and the sperm are released.