acrosome

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Related to Acrosomes: Acrosome reaction, Acrosomal process

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 ?
For example, a fucose sulfate polymer on the egg jelly of sea urchins binds to a receptor on the sperm surface, inducing the acrosome reaction (Vacquier and Moy, 1997).
Analysis of acrosome condition in hormone-supplemented treatments: Acrosome condition was analyzed using the improved Coomassie Brilliant Blue (Bio-Rad, CA, USA) method described by de Leeuw et al.
The acrosome vesicle is 0.25 [micro]m in length and 0.1 [micro]m in width and is homogeneous, without any evidence of stratification.
gigas, sperm acrosomes were morphologically damaged at higher UV intensities (Li et al.
The head, bearing the acrosome at the apex, gradually leads to a thin, ribbon-like tail.
Shortly after sperm binding, the sperm acrosome opened, exposing the membrane-bound axial rod.
castaneus sperm have the long needlelike nuclear filament and reduced acrosome that characterizes all Chitonida, but they have retained several plesiomorphic features such as an unspecialized mid-piece and a lack of flagellar reinforcement.
After their nucleus condenses and is covered by an acrosome cap, elongated spermatids differentiate into spermatozoa, followed by their release into the lumen of the seminiferous tubule.
ABSTRACT: Effect of two antioxidants (Taurine and Manganese) in extender on different sperm parameters (sperm motility, live sperm percentage, membrane and acrosome integrity) of Sahiwal bulls was evaluated.