[rael-science] Ovulation moment caught on camera‏

วันจันทร์ที่ 29 ตุลาคม พ.ศ. 2555

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Contributed by Mike Bennett
Source: http://news.bbc.co.uk/2/hi/health/7447942.stm

Ovulation moment caught on camera

HUMAN OVULATION

Egg released from mature follicle on ovary surface
Ovulation takes place in the tissues of the ovary
1 of 4
A human egg has been filmed in close-up emerging from the ovary for the first time, captured by chance during a routine operation.
Fertile women release one or more eggs every month, but until now, only animal ovulation has been recorded in detail.
Gynaecologist Dr Jacques Donnez spotted it in progress during a hysterectomy.
The pictures, published in New Scientist magazine, were described as "fascinating" by a UK fertility specialist.
 It really is a pivotal moment in the whole process, the beginnings of life in a way 
Professor Alan McNeilly
MRC Human Reproduction Unit, Edinburgh
Human eggs are produced by follicles, fluid-filled sacs on the side of the ovary, which, around the time of ovulation, produce a reddish protrusion seen in the pictures.
The egg comes from the end of this, surrounded by a jelly-like substance containing cells.
The egg itself is only the size of a full-stop, and the whole ovary, which contains many immature eggs, just a couple of inches long.
They belonged to a 45-year-old Belgian woman, and Dr Donnez, from the Catholic University of Louvain, told New Scientist that the pictures would help scientists understand the mechanisms involved.
He said that some theories had suggested an "explosive" release for the egg, but the ovulation he witnessed took 15 minutes to complete.
Professor Alan McNeilly, from the Medical Research Council's Human Reproduction Unit in Edinburgh, said that this fitted with his own research into the ovulation process.
He said: "It really is a fascinating insight into ovulation, and to see it in real life is an incredibly rare occurrence.
"It really is a pivotal moment in the whole process, the beginnings of life in a way."



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"Ethics" is simply a last-gasp attempt by deist conservatives and
orthodox dogmatics to keep humanity in ignorance and obscurantism,
through the well tried fermentation of fear, the fear of science and
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There is nothing glorious about what our ancestors call history, 
it is simply a succession of mistakes, intolerances and violations.
 
On the contrary, let us embrace Science and the new technologies
unfettered, for it is these which will liberate mankind from the
myth of god, and free us from our age old fears, from disease,
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เขียนโดย Rael Science ที่ 01:35  

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