Secondary Oocyte Collection

Egg cell, SEM
Egg cell. Coloured scanning electron micrograph (SEM) of a freeze-fracture of a developing egg cell in a secondary follicle of the ovary. At centre is the rounded egg cell or secondary oocyte (red)

Coloured SEM of egg cell in secondary follicle

False-colour SEM of secondary oocyte & polar body
Human egg. False-colour scanning electron micrograph of a human egg (primary oocyte) at the end of the first meiotic division, occurring just before ovulation

Coloured SEM of secondary follicles in the ovary

Ovarian cycle, artwork
Ovarian cycle, computer artwork. Once sexual maturity is reached up to 20 oocytes start developing into eggs (ovums) every menstrual cycle

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