results among 100 samples from infertile males, the presence of genus mycoplasma was confirmed in 45 cases of which 15 cases were infected with m. hominis. among 100 samples from infertile female, the presence of genus mycoplasma was confirmed in 43 cases of which 18 case were infected with m. hominis. the positive samples were sequenced and the phylogenetic tree was plotted. conclusions the re...

in order to evaluate the effects of phenytoin on the reproductive system of rats in detail, 60 male rats were divided equally into 6 groups: 1-5 received 10 mg/kg/day phenytoin ip for 1,2,3,4 and 5 weeks, respectively. however, group 5 did not receive any phenytoin for the last 5th week. the control group (group 6) did not receive any treatment. the results revealed that phenytoin does not have...

White rhinoceroses suffer from a low rate of reproduction in captivity. This study examines the role of male reproductive function as a contributing factor. We used ultrasonography to image accessory sex glands, testis and epididymis. Electroejaculation provided 36 ejaculates from 21 rhinoceroses. Based on the percentage of progressively motile spermatozoa, semen was categorized in three groups...

Male genital mutilation is a common mechanism by which males reduce sperm competition by plugging female insemination ducts with different parts of its own genital system. This behavior is frequent in many spider families but is uncommon in Haplogynae. The reproductive biology of Dysderoidea is not well studied and the data is fragmentary; male genital mutilation has been reported only for one ...

Competition between males and their sperm over access to females and their eggs has resulted in manifold ways by which males try to secure paternity, ranging from physically guarding the female after mating to reducing her receptivity or her attractiveness to subsequent males by transferring manipulative substances or by mechanically sealing the female reproductive tract with a copulatory plug....

Genitalia appear to evolve rapidly and divergently in taxa with internal fertilization. The current consensus is that intense directional sexual selection drives the rapid evolution of genitalia. Recent research on the millipede Antichiropus variabilis suggests that the male genitalia are currently experiencing stabilizing selection - a pattern of selection expected for lock-and-key structures ...

Ovarian epithelial tumours are common diseases of female genital tract, they account for the majority of female ovarian neoplasms. The recent World Health Organization (WHO) 2014 classification of tumours of female reproductive Organs introduced a new category of ovarian neoplasm designated as “seromucinous tumours” as they exhibit both serous and mucinous features. These are uncommon ovarian t...

Background: Elevations in serum prolactin levels (hyperprolactinaemia) are a common side effect of conventional antipsychotic treatments. The main objective of this study was to consider the effects of the antipsychotic drug chlorpromazine (CPZ) in female rats reproductive system and to examine the relationship between the effects on reproductive organs and hormone concentrations. Materials and...

The female reproductive organs of Sarcophaga ruficornis F. (Diptera: Sarcophagidae) consists of paired ovaries, lateral oviducts, a common oviduct, three spermathecae and paired accessory glands. Each ovary is formed of about 45-53 polytrophic ovarioles. The epithelium of lateral oviduct is formed of syncytial cells overlaid by longitudinal and circular muscle fibers. The common oviduct has syn...