Sperm

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Sperm (at center) incubated at 40C shows hyperactive motility (star-spin pattern) while other sperm cells show progressive or zero motility. Fertil. Steril. 69,118, 1998.

Submitted by:
Prof. Philip J. Chan

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Blue dots represent decondensed human spermatozoa heads , stained with DAPI orange signales-Y chromozome-male sperm green signals -X chromozome-female sperm Prepared by FISH techniques

Submitted by:
Tanya Milachich

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Pinhead sperm sample

Submitted by:
Necati Findikli

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Acrosome formation of the human spermatid. Transmission electron microscopy.

Submitted by:
Kerem Dirican

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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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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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Zona pellucida divided into two hemisphere using laser for hemizona assay test.

Submitted by:
Semra Sertyel

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Sperms without acrosome.

Submitted by:
Loredana Papale

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A rapid method ( Test simplets ) to analyse sperm morphology. The image shows sperm "Pinheads".

Submitted by:
Papale Loredana

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A round spermatid with acrosome cap in fresh testicular sample.

Submitted by:
Martine Nijs