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An oocyte extruding polar body (white arrow) possessing pseudo polar body (black arrow). Anaphase meiotic spindle visualized with polarized light microscopy.

Submitted by:
Zuzana Holubcova and Nadezda Janickova

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Refractile bodies are one of the main morphological abnormalities that can be observed in the cytoplasm of human oocytes.

Submitted by:
Aamir Javed

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A Conjoined Oocytes Within One Follicle Have Infrequently Been Practical In Human Assisted Reproduction Thus Indication For The Hypothesis That Some Of The Polyovular Follicles Recognized From Histolo

Submitted by:
Aamir Javed

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Sperm DNA compressed into toroids are exposed by acidified Triton X-100 and DTT pre-treatment (Biomed Res Int. 2015;2015:780983). DNA damage (darker color) is revealed following simple staining (Diff-

Submitted by:
Professor Philip J. Chan

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Two hatching blastocysts merging into one chimeric blastocyst

Submitted by:
Eva Grycova and Zuzana Holubcova

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Implanted mouse embryo (Arch Gynecol Obstet. 2015;291:647) showing a dark central group of cells (inner cell mass or ICM) that becomes the fetus while the surrounding trophoblasts give rise to the pla

Submitted by:
Professor Philip J. Chan

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An egg (outlined arrow indicates 1st polar body) with cell fragment (detached additional polar body??) embedded in Zona Pellucida (indicated by filled arrow)

Submitted by:
Zuzana Holubcová a Darja Němcová

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Left - stereomicroscope 40x, arrows indicate germinal vesicles. Right - same oocyte fixed and labelled for actin (phalloidin; cyan to white) and DNA (DAPI; maganta), confocal microscope 60x

Submitted by:
Zuzana Holubcová and Darja Němcová

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Dual use of Diff-Quik (Hema 3) for both strict morphology and chromatin integrity (Hum Reprod. 2009;24:28) can be improved (J Reprod Med. 2015;60:6) by an immediate post-stain 1-minute soak-in-water s

Submitted by:
Professor Philip J. Chan

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Can you tell which image shows polymorphonuclear leukocytes(PMN) and which image shows spermatids? Answer: The left column are PMN leukocytes or white blood cells (WBC). Diff-Quik stain of semen. Ma

Submitted by:
Professor Philip J. Chan