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Many ethnic groups have used different species of Portulaca oleracea L., a member of the Family Portulacaceae, as vegetable and also herbal medicine against several diseases for many centuries. A review of the records in both folkloric and scientific literature indicates that Portulaca has many medicinal uses. After our previous preliminary screening of(More)
In the rat, the transport of sperm from the vagina, where they are deposited at ejaculation, into the uterus is not automatic. Various behavioral and physiological factors influence this transport process: the number of pre-ejaculatory intromissions, the duration of immobility at ejaculation, and the fit of the copulatory plug. The interplay of these three(More)
Artificial stimuli were used to study transient changes in responsiveness of female hamsters in natural estrus to tactile stimuli occurring during mating. Tactile stimulation just lateral to the vagina produces a transient facilitation of responses to stimulation of the contralateral side, while tactile stimulation of the midline produces a short-term(More)
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