ART Gallery

Centrally Granulated Oocyte
Centrally located granular cytoplasm is a rare morphological feature of the oocyte that is diagnosed as a larger, dark, spongy granular area in the cytolpasm.
17 September 2004

Protrusing Polar Body
Oocytes from small follicles have protrusing polar body, thick zona pellucida, small perivitelline space.
17 September 2004

Mature oocyte
Denudated mature oocyte ready for ICSI.
17 September 2004

Abnormal Oocyte
An oocyte with no visible polar bodies and two apparent germinal vesicles, visible on the right of the cytoplasm
17 September 2004

Abnormal Oocyte
An oocyte with no visible polar bodies and two apparent germinal vesicles was approximately 50% larger in diameter than a normal oocyte and may be diploid.
17 September 2004

Germinal Vesicle
Note large size and the presence of 2 vesicles
17 September 2004

Metaphase II Oocyte
A mature Oocyte. Note the polar body at 4 o'clock.
17 September 2004

Meiotic spindle
Meiotic spindle in a living human egg imaged by Polscope
17 September 2004

GV-stage oocyte
Human GV-stage oocyte
17 September 2004

'Giant' oocyte
'Giant' oocyte with two GV structures, next to normal MII oocyte. Different focal planes to display both GV structures
17 September 2004

Two GVs in One Prophase I Egg
Prophase I Oocyte with two Germinal Vesicles.
17 September 2004

Abnormal Zona Development
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.
17 September 2004