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In vivo sperm penetration and in vitro sperm migration tests
(Elsevier, 1973)
Two standardized techniques for in vivo and in vitro clinical evaluation of sperm migration are described. The in vivo test consists of postcoital sperm recovery, from the cervical canal and from the uterine cavity, with ...
Semen parameters of fertile Guinea pigs (Cavia porcellus) collected by transrectal electroejaculation
(MDPI, 2020)
The guinea pig, as a livestock species, is still developing and growing throughout Peru and neighboring countries, as reflected by its increasing export since 2000. However, the selection of proven fertile males is tedious ...
In vitro action of progestogens on sperm migration in human cervical mucus
(Elsevier, 1975)
The presence of progestogens in the cervical mucus suppresses and arrests sperm penetration. Using the Kremer technique, the effects of in vitro released progesterone, d norgestrel, and cyproterone acetate were studied by ...
Evaluation of different doses of mashua (Tropaeolum tuberosum) on the reduction of sperm production, motility and morphology in adult male rats.
(Wiley, 2012)
Mashua is an edible-tuber crop that grows in the Andean region. Folk medicine describes the use of mashua to reduce reproductive function in men. The present study aimed: (i) to determine whether different doses of mashua ...
Resistance of sperm motility to serum testosterone in men with excessive erythrocytosis at high altitude
(Thieme Gruppe, 2012)
Excessive erythrocytosis (EE) [hemoglobin (Hb) >21g/dl] observed in natives at high altitude (HA) seems to be due to elevated serum testosterone levels compared with men without EE at HA. The aim of the study was to determine ...
Variables seminales en toros criollos colombianos con cuernos costeños y romosiniano.
(Universidad de Córdoba, 2004)
Spermatogonial stem cells identified by molecular expression of PLZF, integrin β1 and reactivity to Dolichos biflorus agglutinin in alpaca adult testes
(Wiley, 2019)
The identification system of spermatogonial stem cell (SSC) was established in alpaca using the molecular expression as well as the reactivity pattern to Dolichos biflorus agglutinin (DBA) by flow cytometry. Twenty-four ...
Effects of Trehalose and Catalase on the Viability and Kinetic Parameters of Cryopreserved Ram Sperm
(Universidade Federal do Rio Grande do Sul, 2018)
Efecto del extracto de Anethum graveolens, Melissa officinalis y Calendula officinalis sobre espermatozoides humanosEffect of extracts from Anethum graveolens, Melissa officinalis y Calendula officinalis on the human spermatozoa
(Editorial Ciencias MédicasGrupo ReproducciónLa Habana, Cuba, 2022)