acrosome


Also found in: Dictionary, Thesaurus, Medical, Wikipedia.
Related to acrosome: cortical granule

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 ?
1]), mass activity (1-5), motility (%), progressive motility (%), live sperm (%) and Normal acrosome (%) in the ejaculates of Moghani ram spermatozoa were 1.
Regulation of abalone sperm cyclic AMP concentration and the acrosome reaction by calcium and methylxanthines.
The frozen-thawed semen was then assessed for motility, progressive motility, viability, morphologically acrosome abnormality and hypoosmotic swelling test.
While calcium ionophore treatment was more effective than heparin or caffeine in inducing the acrosome reaction in goat sperm in vitro (Pereira et al.
05) better acrosome integrity than for the control, BHA and TBR addition in bovine bull semen after 24 h of incubation.
It is concluded that capacitation and the acrosome reaction are induced within 3 h in mTBM with caffeine and heparin.
Biochemical characterization of inner sugar chains of acrosome reaction-inducing substance in jelly coat of starfish eggs.
Acrosome morphology in hormone-supplemented culture for 6, 18, and 24 h is shown in Figure 1B.
Ram spermatozoa cocultured with epithelial cell monolayers: an in vitro model for the study of capacitation and the acrosome reaction.
Aminopeptidase-like protease released from oocytes affects oocyte surfaces and suppresses the acrosome reaction in establishment of polyspermy block in oocytes of the mussel Mytilus edulis.
We investigated the effects of individual GAG treatments on i) bovine sperm motility using a Sperm Analysis Imaging System; ii) sperm capacitation or acrosome reactions using the chlorotetracycline (CTC) assay; iii) pronuclear formation rate post-IVF using Hoechst staining; iv) in vitro embryo development rate using microscopic examination; v) embryo cell numbers using differential staining; and vi) relative embryonic gene expression of candidate genes using real-time PCR.
Sperm Parameters (Percentages of Motility, Viability, Acrosome Normality):