Results 61 to 70 of about 128,725 (200)
F&S Reports, 2021 Objective: To determine the effect of sperm morphology from the specific sample used for intrauterine insemination (IUI) on clinical pregnancy rates (CPR). Design: Prospective cohort study. Setting: Academic fertility clinic.
Jamie Stanhiser, M.D., M.S.C.R. +7 more
doaj +1 more source
Transmission of mitochondrial DNA following assisted reproduction and nuclear transfer [PDF]
, 2006 Review of the articleMitochondria are the organelles responsible for producing the majority of a cell's ATP and also play an essential role in gamete maturation and embryo development.
Alam +200 more
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Althea Medical Journal, 2016 Background: In vitro fertilization (IVF) is one of the assisted reproductive technology that has been used in treating infertility. Unfortunately, not every IVF procedure achieves 100% success in fertilizing the oocyte.
Praditya Virza Ramadhan +2 more
doaj +1 more source
Measurement and significance of sperm morphology [PDF]
Asian Journal of Andrology, 2010 The measurement or evaluation and clinical significance of human sperm morphology has always been and still is a controversial aspect of the semen analysis for the determination of a male's fertility potential. In this review the background of the development of the evaluation criteria for sperm morphology will be discussed. Aspects of criticism on the
Roelof, Menkveld +2 more
openaire +2 more sources
The evolution of sperm morphometry in pheasants [PDF]
, 2007 Postcopulatory sexual selection is thought to be a potent evolutionary force driving the diversification of sperm shape and function across species. In birds, insemination and fertilisation are separated in time and sperm storage increases the duration
Birkhead, T.R. +5 more
core +3 more sources
Selenoproteins in mammalian spermatogenesis:role of the nuclear GPx4 [PDF]
, 2011 The selenoprotein Phospholipid Hydroperoxide Glutathione Peroxidase (PHGPx/GPx4) is an enzyme unique among the various GPxs, because it is able to use protein thiols, beside glutathione, The GPx4 gene encodes for three isoforms having different ...
Maccari, Irene
core
Exceptional sperm cooperation in the wood mouse [PDF]
, 2002 Spermatozoa from a single male will compete for fertilization of ova with spermatozoa from another male when present in the female reproductive tract at the same time.
AH Harcourt +32 more
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Morphometric analysis of human sperm morphology [PDF]
International Journal of Andrology, 1994 SummaryFourteen morphological forms of human spermatozoa were analysed morphometrically using semi‐automated image analysis techniques. Five basic (area, perimeter, length, width and mass) and five derived (ratio, length minus width, ellipticity, form and total mass) parameters were considered. Statistical analysis showed differences among all 14 types
F, Pérez-Sánchez +2 more
openaire +2 more sources
Choice of staining technique affects the morphological assessment of epididymal feline sperm
Veterinární Medicína, 2016 Morphological examination of spermatozoa remains a valuable tool for determining the quality of feline sperm for cryopreservation and/or for use in artificial insemination.
C.C. Perez-Marin, E. Jimenez, E. Aguera
doaj +1 more source
Scanning Electron Microscopy of the Rainbow Trout (Salmo gairdneri Richardson) Spermatozoon [PDF]
, 1976 The scanning electron microscope was used to determine the morphology of the rainbow trout (Salmo gairdneri Richardson) spermatozoon. The spermatozoon is approximately 32 μm long and consists of a head, mitochondrial collar, and flagellum.
Fribourgh, James H., Soloff, Bernard L.
core +2 more sources