Sperm

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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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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

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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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Acrosome formation of the human spermatid. Transmission electron microscopy.

Submitted by:
Kerem Dirican

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The image shows a scanned electron micrograph of human spermatozoa taken from a semen specimen.(Magnification : x12,000).

Submitted by:
H. Burjaq & N. Afifi

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Native Assessment of Sperm Ultramorphology - the microscope system developed in Altravita IVF Clinic employed both Hoffman and Nomarski contrast techniques. Resolution increase was attained with

Submitted by:
Alexey

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Sperm DNA damage evaluated with TUNEL assay. Green sperm show DNA damage.

Submitted by:
Kazim R. Chohan, PhD. HCLD

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A round spermatid with acrosome cap in fresh testicular sample.

Submitted by:
Martine Nijs

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Real-time modified alkaline SCGE assay showing fluorescent DNA unraveling from damaged sperm nucleus and forming comet tail. Am J Obstet Gynecol. 2001;184:1068.

Submitted by:
Prof. Philip J. Chan

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

Submitted by:
Semra Sertyel