Results 21 to 30 of about 325,970 (302)
Cells, 2022 Preservation of human spermatozoa in vitro at normothermia or hypothermia maintaining their functions and fertility for several days plays a significant role in reproductive biology and medicine.
Qingyuan Cheng +8 more
doaj +1 more source
Reproductive Biology and Endocrinology, 2021 Background Published studies have shown contradictory results regarding the relationship between somatometric parameters and varicoceles. We performed a systematic review and meta-analysis to investigate the possible effects of age, height, weight, and ...
Runqing Li +3 more
doaj +1 more source
Sperm competition games: optimal sperm allocation in response to the size of competing ejaculates [PDF]
, 2007 Engqvist L, Reinhold K. Sperm competition games: optimal sperm allocation in response to the size of competing ejaculates. Proceedings of the Royal Society B.
Reinhold, Klaus +1 more
core +1 more source
Life, 2022 We wish to congratulate Boitrelle and colleagues for their comprehensive critical review on the Sixth Edition of the WHO Laboratory Manual for Human semen examination [...]
Francesco Pallotti +2 more
doaj +1 more source
Cryopreservation of common carp sperm [PDF]
, 2003 Experiments were carried out to investigate the effect of five extenders (sucrose, glucose, fructose, KCl and a saline carp sperm extender) and two cryoprotectants (dimethyl-sulfoxide (DMSO) and methanol) on the cryopreservation of common carp sperm ...
Urbányi, Béla +5 more
core +1 more source
Cryopreservation of single-sperm: where are we today?
Reproductive Biology and Endocrinology, 2020 Background Patients with severe oligospermia and nonobstructive azoospermia have very limited numbers of viable sperm in their epididymal and testicular samples. Thus, cryopreservation of their sperm is performed to avoid repeated sperm retrievals and to
Shasha Liu, Fuping Li
doaj +1 more source
Sperm Competition, Sperm Numbers and Sperm Quality in Muroid Rodents
PLoS ONE, 2011 Sperm competition favors increases in relative testes mass and production efficiency, and changes in sperm phenotype that result in faster swimming speeds. However, little is known about its effects on traits that contribute to determine the quality of a whole ejaculate (i.e., proportion of motile, viable, morphologically normal and acrosome intact ...
Laura Gómez Montoto +7 more
openaire +4 more sources
Phenotypic plasticity in sperm traits in scorpionflies (Mecoptera: Panorpidae): consequences of larval history and seasonality on sperm length and sperm transfer [PDF]
, 2009 Vermeulen A, Engels S, Engqvist L, Sauer KP. Phenotypic plasticity in sperm traits in scorpionflies (Mecoptera: Panorpidae): consequences of larval history and seasonality on sperm length and sperm transfer. European Journal of Entomology.
Vermeulen, Andreas +8 more
core +1 more source
The legacy of sperm banking: how fertility monitoring and disposal of sperm are linked with views of cancer treatment [PDF]
, 2011 Background: sperm banking is recommended for all men before cancer treatment, which carries a risk of long-term gonadal damage. However, relatively few men take up the offer.
Arden-Close, Emily +9 more
core +1 more source
Therapeutic Effects of Prolonged Release Melatonin (Circadin) in Patients with Overactive Bladder and Chronic Insomnia in More Than 55 Years Old [PDF]
Kosin Medical Journal, 2020 Objectives Bladder storage symptoms including nocturia is the most common cause of sleep disturbance in all age groups. Sleep disturbance is also a main cause of nocturia so that sleep recovery can clinically improve nocturia.
Min Jung Park +5 more
doaj +1 more source