fertilisation

The Human Fertilisation and Embryology Authority is the subject of a rant, as are the growing powers of Her Majesty's Revenue and Customs.

Personhood supporters say the measure would not ban in-vitro fertilisation, but neither would it permit unused embryos to be destroyed.

In the course of 40 years of reproductive life only 500 eggs might be available for fertilisation.

total productivity In an aquaculture pond, the natural productivity plus that due to fertilisation and artificial feeding.

The embryos are created at fertility clinics for in vitro fertilisation procedures to help infertile couples have babies.

They grow vegetables in greenhouses where the temperature is controlled with computers and chemical fertilisation is not allowed.

The embryos in question have no future anyway (they are usually "spares" from in vitro fertilisation procedures).

But the crowds appeared thickest around the stalls that advertised donated eggs for in vitro fertilisation.

A special kind of polygynous mating system where aggregated males display and females attend primarily for the purpose of fertilisation.

Fields had to be cleared, fertile ground had to be maintained; there is evidence of sophisticated fertilisation from early on.

In-vitro fertilisation presents a moral difficulty for Catholics and evangelicals who believe that life begins at conception.

The Human Fertilisation and Embryology Authority is currently considering whether donors can be paid for their services.

If you only have one healthy sperm you would be reluctant to use it for anything but fertilisation.

The effects of fertilisation and acidification favour common aggressive species like grasses, brambles and nettles.

The highly essential cross-fertilisation of people with skills in markets and supervision will become a little more difficult to promote.

They are used for identification because they are fully formed 24 weeks after fertilisation and do not change throughout our lives.

Failure of the butterfly's sex chromosomes to separate during fertilisation is behind this rare sexual chimera.

And at least one private firm has come in for criticism for attempting to sell carbon credits based on ocean fertilisation.

Effects of Hydrostatic Pressure on Actin Assembly and Initiation of Amino Acid Transport upon Fertilisation of Sea Urchin Eggs .

Local schemes, particularly ocean fertilisation, need not be that expensive.

In Britain the job of pronouncing on whether such research should be allowed falls to the Human Fertilisation and Embryology Authority.

Blastomeres are formed in the very early stages of embryonic development. About 24 hours after fertilisation the egg divides into two cells.

Sperm and eggs must lose one copy each as they prepare for fertilisation.

Against the uncertainty over thresholds and CO2 fertilisation must be weighed farmers' ability to adapt to change and improve yields.

PS This year's medicine prize was awarded to Robert Edwards for his work on in vitro fertilisation.

Professor Christopher Chenbecame a recognised world pioneer in in-vitro fertilisation(IVF).

Fertilisation can still take place without the bloke mantis's head, though.

In vitro fertilisation is available in some regions of the UK within months; in others it takes years.

So was in vitro fertilisation, until it started creating them.

The UK Human Fertilisation and Embryology Authority was founded 20 years later.

One reason for this may lie in the inevitable cross- fertilisation of races and cultures, of which the Strauss family provides an example.

Researchers used eggs from young donors to repair damaged eggs of older women in order to increase their chances of fertilisation.

In 1982 a doctor attached to the Kandang Kerbau Hospital initiated the In Vitro Fertilisation and Embryo Replacement Programme.

used techniques such as fertilisation and irrigation to make their land produce more.

There are even some signs of cross-fertilisation.

experience sharing and cross - fertilisation of knowledge are the time - honoured recipes for progress in the history of mankind

Such breakthroughs happen only when conventional wisdom is ignored and cross- fertilisation encouraged;

A Test Conclusion of Balance Fertilisation about Young Soya Bean