Oocytes

Details:
'Giant' oocyte with two GV structures, next to normal MII oocyte. Different focal planes to display both GV structures

Submitted by:
Michael L. Reed

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Human GV-stage oocyte

Submitted by:
Ali, Jaffar

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Oocyte in cumulus complex

Submitted by:
Martine Nijs

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Prophase I Oocyte with two Germinal Vesicles.

Submitted by:
Hasan Burjaq

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5 oocytes retrieved from a patient who failed to produce oocytes on a previous attempt. Many other abnormally developed zonas were found but contained unviable ooplasm.

Submitted by:
Marc Portmann

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Note large size and the presence of 2 vesicles

Submitted by:
Marc Portmann

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Empty zona surrounded by cumulus mass

Submitted by:
Navid Esfandiari, DVM, PhD, ELD, HCLD (ABB)

Details:
Zona- free oval-shaped oocyte at MII of maturation. A first polar body is at the nine-o'clock position

Submitted by:
Tatyana Kodyleva

Details:
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

Details:
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