acrosome

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Related to acrosomal: Acrosome reaction

acrosome

[′ak·rə‚sōm]
(cell and molecular biology)
The anterior, crescent-shaped body of spermatozoon, formed from Golgi material of the spermatid. Also known as perforatorium.
References in periodicals archive ?
Esta lectina permite reconocer terminales manosa, glucosa y glucosamina (Goldstein & Portez, 1986) de glicoconjugados localizados en la matriz acrosomal, por lo que asociada a una fluoresceina puede identificar espermatozoides con el acrosoma intacto y diferenciarlos de aquellos que si han sufrido la reaccion acrosomica.
(28) The ultrastructure of sperms is reported to show that the PNA-binding site is situated on the outer acrosomal membrane.
The presence of ROS in sperm samples produced an increase of permeability in plasmatic and acrosomal membranes.
Acrosome reaction in abalone sperm involves the exocytosis of the acrosomal vesicle and the polymerization of subacrosoreal materials, composed mainly of actin, to form the anterior spike called acrosomal process (Neill & Vacquier 2004).
To induce the acrosome reaction, thereby exposing the inner acrosomal components for lectin labeling, sperm were incubated with ionomycin calcium (Sigma Laboratories) to elevate intracellular calcium levels.
Efecto de la refrigeracion sobre la movilidad, integridad de membrana acrosomal y reaccion acrosomal en espermatozoides caninos.
Existen diversas tecnicas para la evaluacion de la integridad acrosomal, entre ellas la microscopia de campo claro, microscopia de fluorescencia y citometria de flujo.
Pattern C: sperm cells displaying fluorescence on the head that was greater in intensity at the acrosomal zone, thus they were considered as undergoing acrosomal reaction.
In vitro effects of l-carnitine and glutamine on motility, acrosomal abnormality, and plasma membrane integrity of rabbit sperm during liquid-storage.
Evaluation of acrosome reaction and cell viability: Acrosomal status was monitored with acrosome specific FITC-PSA (Lectin from Pisum sativum, L0770, Sigma Aldrich, Germany) which was dissolved in PBS.
El suplemento de linaza mostro una tendencia de reduccion de la resistencia de la membrana acrosomal (Ort), asi como una tendencia de mejora de la integridad y funcionalidad de la membrana del espermatozoide (Host).
En condiciones fisiologicas, los espermatozoides producen pequenas concentraciones de ERO, las cuales son necesarias para la capacitacion y la reaccion acrosomal, hiperactivacion, motilidad y fertilizacion (Agarwal et al.