Sperm

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Acrosome formation of the human spermatid. Transmission electron microscopy.

Submitted by:
Kerem Dirican

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Sperm cells are stained using the Spermac stain and Kruger strict criteria morphology performed. The acrosome stains green while the postacrosomal nuclear region is red. Unlike PMN, spermatids are smo

Submitted by:
Professor Philip J. Chan

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The mature sperm cell has a negative "zeta" electropotential after acquiring epididymal proteins and sticks to the surface at the: (1) acrosome tip (2) postacrosome (3) midpiece (4) tailtip or (5) ent

Submitted by:
Professor Philip J. Chan

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Normal spermatozoon under Scanning electron microscopy.(Magnification:12,000x.)      

Submitted by:
Hasan Burjaq ,MT (BGS)

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Acrosomeless human spermatozoa, most of which are round-headed, hence the term round-headed or globozoospermia. These two terms are inaccurate because acrosomeless spermatozoa need not necessarily be

Submitted by:
E.S. Al-Yafeai, MYQ Al-Rawi, J. Ali

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A round spermatid with acrosome cap in fresh testicular sample.

Submitted by:
Martine Nijs

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Immunofluorescent depiction illustrating the presence and distribution of the platelet-activating factor receptor on spermatozoa. Fertility and Sterility 1999;71(5):941-942.

Submitted by:
William E. Roudebush

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A rapid method (Spermac stain) to analyse sperm acrosome intactness. Type 1, sperm with intact acrosome: Type 2, enzymes absent: Type 3, Broken or missing enzymes.

Submitted by:
Dr. Philip Chan

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Electron micrograph of the round-headed human spermatozoa.

Submitted by:
Andrei Rybouchkin

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DNA damage (single and double strand breaks) in alkaline comet assay is revealed by streaking tail from a diminished sperm nucleus. Fertil Steril 75:1-4,2001

Submitted by:
Dr.Philip Chan