... to more fertile partners. Hermaphrodites, organisms that have both female and male reproductive organs, such as earthworms, are denied the right to choose their partner. However, a study by researchers at the University ...
Sigurdur Hjartarson is missing a human penis to display at the Icelandic Phallological Museum, which offers close-up looks at the long and the short of the male reproductive organ.
... " toads -- toads who have both female and male internal reproductive organs, not a normal condition for this and most species ... . Internally, the more agricultural the sites, the more feminized the males' reproductive organs. Many had both ovaries and testes. Not only that, both ...
... report very similar changes in male reproductive organs in rats and humans related to fetal exposure to phthalates. Two articles show ...
... and 12 weeks into pregnancy is a crucial period for male reproductive development. During this timeframe, testosterone is produced which affects development of male reproductive organs and fertility in later life ...
... molecular assessment of the bacterial diversity of the male reproductive organ. This new study is part of a larger effort by the U.S. National Institutes of Health ...
... copious amounts of pollen from oversized male reproductive organs, and until now most scientists believed this was to compensate for poor pollen distribution by the bats ...
... that delivering a single dose of ultrasound to the male reproductive organs can stop sperm production for six months, after which time production fires up again ...
... . One of the three signalling pathways that are used to develop male reproductive organs and cells cannot be substituted. This signalling ... Research have now shown that functional male reproductive organs and cells only develop if at least one of two ...
... effect on females. Crucially, the genes that are most affected in males are expressed almost exclusively in the male reproductive organs and associated with male fertility. "What our results ...
... , whose infection can cause inflammation of the male reproductive organs. Solving the problem in men is also important, Gaydos says, because of the risk of re-infection ...
... function as well. The fact that these fibrils are found in male reproductive organs could point to an evolutionary role in fostering fertilization -- something we're currently exploring ...
... genetically but rather determined by environmental factors. “Testosterone is a key hormone for the development of male reproductive organs, and it is also associated with behavioral traits, such as sexual ...
... in plants. Gravity modulates traffic on the intracellular "highways" that ensure the growth and functionality of the male reproductive organ in plants, the pollen tube ...
