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 ?
Although the percentage of progressive motility was similar, percentage of viable cells decreased in group H1, while percentage of acrosomal integrity was major in H1 than in H2.
The polypeptide backbone of recombinant human zona pellucida glycoprotein-3 initiates acrosomal exocytosis in human spermatozoa in vitro.
argo the axonemal basis migrates to the anterior part of the nucleus and is finally located close to the acrosomal vacuole (Fig.
The acrosomal region of the head should stain light blue and the postacrosomal region should stain dark blue.
Reactive oxygen are responsible to sperm membrane damage and directly damage sperm DNA that cause reduces of the sperm's motility, acrosomal membrane integrity and sperm metabolic alterations.
Sperm motility, viability and acrosomal integrity were assessed at 0, 0.
9, black bars), most sperm still exhibited a normal head bearing acrosomal vesicles with no anterior projections.
Structural integrity of acrosomal membrane is dependent upon sialic acid and due to alteration in its content the metabolism, motility and fertilizing ability of sperms may also be affected (Riar et al.
The second, third and fourth steps of this process, respectively, are the acrosomal reaction, the sperm cell and egg cell adhesion through the vitelline envelope, and the actual membrane contact between the two cells.
This result showed that L-carnitine supplementation in freezing extender could not protect cat cryopreserved epididymal spermatozoa against acrosomal damage.
Chapters 8 and 9 discuss the tests such as antisperm antibodies, seminal fluid analysis, acrosomal integrity and function, sperm cervical mucus interaction and sperm chromatin.