Coloured SEM of human sperm in the uterus

Bildnummer 12071096
Coloured SEM of human sperm in the uterus
Sperm in uterus. Coloured scanning electron micro- graph (SEM) of human sperm on the inner surface or endometrium of the uterus (womb). The heads of the sperm appear to be brushing against the grass- like ciliated epithelium. Tiny projections or microvilli (white) cover the remaining secretory cells,which provide a moist environment and nutrition to both sperm and the female egg. Sperm remain incapable of fertilising an egg (ovum) until after undergoing capacitation,a process which occurs within the female tract. The close association of the sperm with the ciliated cells in this image may relate to this process. Magnification: unknown
Lizenzart: Lizenzpflichtig
Credit: Science Photo Library / Phillips, D.
Bildgröße: 4770 px × 3898 px
Modell-Rechte: nicht erforderlich
Eigentums-Rechte: nicht erforderlich
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  • ALL except GBR IRL CAN HKG ZAF USA IND TWN CHN DEU

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