acrosome

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Related to Acrosome reaction: Cortical reaction, capacitation
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a process at the anterior end of a sperm cell that produces enzymes to facilitate penetration of the egg

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References in periodicals archive ?
The CatSper calcium channel in human sperm: Relation with motility and involvement in progesterone-induced acrosome reaction.
Inhibition of the CatSper Channel and NOX5 Enzyme Activity Affects the Functions of the Progesterone-Stimulated Human Sperm
Chronic restraint stress induces sperm acrosome reaction and changes in testicular tyrosine phosphorylated proteins in rats.
Localization and Identification of Tyrosine Phosphorylated Proteins in Adult Sprague-Dawley Rat Testis/ Localizacion e identificacion de proteinas de tirosina fosforilada en testiculos de rata Sprague-Dawley adultos
Evaluation of the acrosome reaction in human spermatozoa: comparison of cytochemical and fluorescence techniques.
Evaluation of acrosome integrity in epidydimal alpaca sperm by flow cytometry/Evaluacion de la integridad acrosomal en espermatozoides epididimarios de alpaca mediante citometria de flujo
Semen at pre-freeze and frozen-thaw phase was analyzed for sperm function (motility, viability and Hypo osmotic swelling test [HOST]), acrosome damage, acrosome reaction and lipid peroxidation [LPO]) as detailed below.
Seminal plasma heparin binding proteins improve semen quality by reducing oxidative stress during cryopreservation of cattle bull semen
Capacitation and acrosome reaction induction on thawed dama deer spermatozoa: glycine effect as cryopreservation diluent supplement.
Efecto de la hiperviscosidad seminal sobre la integridad acrosomica y la movilidad espermatica antes y despues de la criopreservacion
Breitbart, "Role of hydrogen peroxide in sperm capacitation and acrosome reaction," Biology of Reproduction, vol.
Effect of myoinositol and antioxidants on sperm quality in men with metabolic syndrome
Most sperm function tests analyze parts of the capacitation process, such as hyperactivation, sperm-zona binding, and acrosome reaction [7].
Effects of Synthetic Serum Supplementation in Sperm Preparation Media on Sperm Capacitation and Function Test Results
Spermatozoa also acquire vigorous swimming activity in the vicinity of the ova, the so-called hyperactivation phase, which is needed to traverse the zona pellucida after the acrosome reaction to fertilize the egg (Baldi et al.
Aquaporin biology of spermatogenesis and sperm physiology in mammals and teleosts
The European Society of Human Reproduction and Embryology (ESHRE) and World Health Organization (WHO), have included Sperm-Binding Assays and Induced Acrosome Reaction as additive tests helping in prediction of fertilization outcomes as well as diagnostic applicability in the clinical settings (ESHRE, 1996; Oehninger et al, (2000).
FROM BASIC TO CONTEMPORARY SEMEN ANALYSIS: LIMITATIONS AND VARIABILITY
Proper acrosomal integrity is essential for the acrosome reaction a prerequisite for successful fertilization and subsequent fertility.
Effect of Butylated Hydroxytoluene on Post-thawed Semen Quality of Beetal Goat Buck Capra hircus
The percentage of motility, live, intact plasma membrane, capacitation and acrosome reaction of spermatozoa after treatment:
Insulin like growth factor--I complex of goat seminal plasma increasing the percentage of embrio clevage on the in vitro fertilization process
For mouse sperm, intracellular alkalinization produces a hyperpolarization of sperm membrane potential which may be important for both hyperactivated motility and acrosome reaction.
The effect of curcumin on intracellular pH (pHi), membrane hyperpolarization and sperm motility
Only after binding to the ZP3 receptor can a sperm go through a process called the acrosome reaction to release the enzymes needed to penetrate the egg.
As told by the egg: the story of fertilization, from the female point of view
8) The sperm binds to the zona pellucida, triggering an event called the acrosome reaction.
Overview of human fertilization and egg activation
Regulation of membrane stability and the acrosome reaction in mammalian sperm.
Use of cholesterol in equine sperm cryopreservation: a review/Utilizacao do colesterol na criopreservacao de espermatozoides na especie equina: uma revisao/Uso de colesterol en la criopreservacion de esperma en equinos: una revision
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