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Fertilised ovum

Fertilised ovum

An ovum impregnated by a spermatozoon.


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Unfertilised frog eggs and microneedles

Hello! This is related to Roux' experiment - the un-fertilised frog ovum divides when pricked with a microneedle, but only when the needle is dipped in the frog's blood ...

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by thehundredthone
Tue Mar 27, 2007 5:52 am
 
Forum: Cell Biology
Topic: Unfertilised frog eggs and microneedles
Replies: 0
Views: 659

connecting bio therms

... into a woman's vagina will swim up the vagina to fertilise the ovum..wen the ovum is fertilised by the sperm it is called fertilisation the cells then divide via mitosis process ...

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by Amrik
Tue Oct 10, 2006 4:27 am
 
Forum: General Discussion
Topic: connecting bio therms
Replies: 14
Views: 5766

about human fertilization

... is arrested at metaphase II. Then it is released and becomes the mature ovum, completing meiosis only after it is fertilised. Then, 20 pages later, they tell me that the ovum has no centrosome, and that it ...

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by MrMistery
Sun Jun 04, 2006 10:03 am
 
Forum: Physiology
Topic: about human fertilization
Replies: 2
Views: 3856

'Twinning'

... since the cell splits into two. But this is only correct for when the fertilised ovum (pre-embryo) splits into two forming two identical pre-embryos. In the case where the ...

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by zenith_beth
Fri Nov 18, 2005 4:58 pm
 
Forum: Human Biology
Topic: 'Twinning'
Replies: 9
Views: 4253


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