Results 21 to 30 of about 867 (187)

Descarte e congelabilidade do sêmen de touros de raças zebuínas e taurinas em central de inseminação artificial no Brasil Semen discarded and freezing ability of Zebu and European bulls from a Brazilian artificial insemination centre

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2005
Foram analisadas as características do sêmen obtido de 250 touros de raças zebuínas e 144 touros de raças taurinas em uma central de inseminação artificial, no Sudeste brasileiro.
M.C. Anchieta   +4 more
doaj   +1 more source

Ultrassonografia testicular no modo color Doppler∕ espectral e avaliação andrológica de garanhões tratados com gonadotrofina coriônica humana (hCG) em diferentes estações do ano [PDF]

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia
RESUMO Utilizaram-se quatro garanhões nos meses de janeiro, abril, julho e outubro de 2016, em dois protocolos, em que: GI (n=4; 5mL de solução salina, i.v.) e GII (n=4; 5000UI de hCG, i.v.) e subdividiram-se esses protocolos em ciclos (C1 e C2 ...
R.C.L. Morais   +5 more
doaj   +2 more sources

Establishing the hypoosmotic swelling test for sperm analysis in collared peccaries (Pecari tajacu)

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2013
Soluções hiposmóticas com diferentes concentrações (0, 50, 100, 150, 200mOsm/L) foram testadas para a avaliação funcional da membrana espermática de catetos (n=13).
E.A.A. Santos   +5 more
doaj   +1 more source

Antioxidant Effect of a Polyphenol‐Rich Murtilla (Ugni molinae Turcz.) Extract and Its Effect on the Regulation of Metabolism in Refrigerated Boar Sperm

open access: yesOxidative Medicine and Cellular Longevity, Volume 2019, Issue 1, 2019., 2019
The production of reactive oxygen species (ROS) in boar spermatozoa increases in refrigeration; this can have an impact on sperm quality and fertilization capacity. We evaluated the effect of polyphenol‐rich aqueous extract of murtilla (Ugni molinae Turcz) on boar sperm stored at 17°C in order to reduce oxidative stress and improve sperm quality in the
Ignacio Jofré   +11 more
wiley   +1 more source

Antiproliferative Activity Evaluation of a Series of N‐1,3‐Benzothiazol‐2‐ylbenzamides as Novel Apoptosis Inducers

open access: yesJournal of Chemistry, Volume 2016, Issue 1, 2016., 2016
A series of N‐1,3‐benzothiazol‐2‐ylbenzamide derivatives were studied for their antiproliferative activity on human liver hepatocellular carcinoma (HepG2) and human breast cancer (MCF‐7) cell lines. Most of them were found to show a prominent inhibitory effect on cell growth.
Filomena Corbo   +11 more
wiley   +1 more source

Fimose, hidrocele e varicocele. Três patologias frequentes na criança e no adolescente do sexo masculino.

open access: yesActa Médica Portuguesa, 1999
A review is made of the three most frequent benign andrological pathologies in children and teenagers. The clinical and physiopathological aspects are analysed both practically and theoretically.
N M Pereira
doaj   +1 more source

Criptorquidia. Implicações clínicas.

open access: yesActa Médica Portuguesa, 1999
This paper briefly reviews the literature on testicular descent and management implications for cryptorchidism. At present, we believe that descent of the testes in humans is a complex event mediated by both hormonal and mechanical factors.
. Estevão-Lima, A Pimenta
doaj   +1 more source

Multiple Determinations of Sperm DNA Fragmentation Show That Varicocelectomy Is Not Indicated for Infertile Patients with Subclinical Varicocele

open access: yesBioMed Research International, Volume 2014, Issue 1, 2014., 2014
Varicocele is one of the most common causes of low semen quality, which is reflected in high percentages of sperm cells with fragmented DNA. While varicocelectomy is usually performed to ameliorate a patient’s fertility, its impact on sperm DNA integrity in the case of subclinical varicocele is poorly documented.
Agustín García-Peiró   +9 more
wiley   +1 more source

A biópsia do testículo na esterilidade masculina. I-Técnica, avaliação e interpretação.

open access: yesActa Médica Portuguesa, 1981
Apresenta-se uma revisão cio modo de utilização da biópsia do testículo na esterilidade humana com discussão das indicações absolutas e relativas, descrição do método, suas complicações e avaliação.
Luís F. Gonçalves   +2 more
doaj   +1 more source

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