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King's College London - Health: More than a medical matter

Glossary

Testes

The male reproductive organs, which produce sperm and hormones.



Articles using this Glossary Item

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Last man standing: just two Y-chromosome genes needed for reproduction

25 November 2013 - by Dr Naqash Raja

Male mice are able to reproduce healthy offspring with only two Y-chromosome genes, researchers at the University of Hawaii have discovered... [Read More]

Frozen sperm as effective as fresh when taken directly from testicle

12 August 2013 - by Linda Wijlaars

Sperm taken by biopsy from the testicles of men with a certain kinds of infertility can be cryopreserved without reducing the chances of a successful pregnancy... [Read More]

'Female chromosome' might make a man a man

29 July 2013 - by Clara Salice

The 'female' X chromosome has been shown to contain several genes that may be involved in sperm production... [Read More]

Australian known sperm donor granted parenthood

24 June 2013 - by Antony Blackburn-Starza

An Australian man has been granted shared parental responsibility by a federal judge over a child born through IVF using sperm he had donated to his former partner.... [Read More]

Sperm precursor cells grown from skin sample

03 September 2012 - by Linda Wijlaars

Stem cells found in human skin can be turned into sperm precursor cells, US researchers have found. The findings could help restore fertility to cancer patients, and could provide a new way of studying the development of sperm cells in the lab... [Read More]

Father's age strongest predictor of genetic mutations

28 August 2012 - by Helen Brooks

Children of older fathers inherit more genetic mutations than those of younger fathers, according to Icelandic scientists.... [Read More]

Non-hormonal male pill successful in animal studies

20 August 2012 - by Daryl Ramai

Scientists may now be one step closer to producing the first non-hormonal, male contraceptive pill after a successful animal study... [Read More]

Daily dose of walnuts slightly but significantly boosts sperm health

20 August 2012 - by Emma Stoye

Eating two handfuls of walnuts every day can improve sperm quality in healthy young men, researchers have found... [Read More]

Sperm-production gene could hold the key to developing a male pill

28 May 2012 - by Dr Rosie Morley

A non-hormonal male contraceptive pill could be developed by blocking a newly identified gene involved in the final stages of sperm production, according to scientists... [Read More]

Probiotic yoghurt makes male mice sexier

21 May 2012 - by Jessica Ware

For mice at least, probiotic yoghurt could be the secret behind staying slim and 'sexy'. Scientists at the Massachusetts Institute of Technology in the US came to this conclusion after a study to evaluate the effect of yoghurt on age-related weight gain... [Read More]

Chemicals in environment can damage fertility - in male sheep

21 May 2012 - by Victoria Burchell

Exposure to low levels of environmental toxins may reduce male sperm counts, research in sheep suggests... [Read More]

Mouse sperm grown in lab

09 January 2012 - by Sarah Guy

Researchers have successfully extracted germ cells - the cells that give rise to gametes - from the testes of mice, and used them to grow sperm in the lab... [Read More]

TV Review: Me, My Sex and I

17 October 2011 - by Daniel Malynn

'Me, My Sex and I' is a documentary about people who are born neither entirely male nor female. I must state at the outset that this programme is about the sex of the individual, and should not be confused with gender, which is how people identify themselves (something that many other TV reviews have got wrong in describing this programme). As the show makes clear, sex is not an 'either or' for many people; the real buzz word here is 'ambiguous'.... [Read More]

Aligning research legislation: interspecies embryos and animals containing human material

10 October 2011 - by Tara Camm

In 2008, important changes were made to the legislation governing the use of human embryos in research, the UK Human Fertilisation and Embryology Act (HFE Act) 1990. The legislation was extended to five categories of 'human admixed embryos' containing human and animal cellular or genetic components, which were brought within the licensing regime of the HFE Act... [Read More]

'Bone-fide' link to low sperm count?

21 February 2011 - by Sujatha Jayakody

A bone cell hormone can regulate male fertility hormone testosterone, a study on mice has found. Male mice engineered to produce little osteocalcin, a hormone released by bone cells called osteoblasts, had smaller litters and testes than unmodified mice... [Read More]

Stem cell fertility hope for boys with cancer

01 November 2010 - by Marianne Neary

Restoring the fertility of men made sterile by childhood cancer treatment has come a step closer. Scientists claim they've successfully multipled sperm stem cells collected from young boys' testes in the laboratory... [Read More]

Study finds gene linked to male infertility

04 October 2010 - by Owen Clark

A study has shown that mutations in the NR5A1 gene may be responsible for many unexplained cases of male infertility.... [Read More]

Fresh evidence smoking damages fertility

13 September 2010 - by Seil Collins

Two new studies have revealed further evidence of the harmful effect of smoking on both male and female fertility... [Read More]

Prenatal effects on sperm production in adult males

10 May 2010 - by Dr Allan Pacey

Nearly 10 years ago, Professor Niels Skakkeb√¶k from the Copenhagen University Hospital, published details of a new syndrome to account for the apparent increase in problems related to the male reproductive system that had been documented in many countries... [Read More]

UK MP highlights need for comprehensive cord blood strategy

10 January 2010 - by Dr Karen Devine

Conservative MP for Enfield, Southgate, David Burrowes, led an adjournment debate in the House of Commons this week on the issue of umbilical cord blood banking and use. Stem cells from the umbilical cord of newborn babies have been successfully used as an alternative to bone marrow in the treatment of many blood disorders such as leukaemia, sickle-cell disease and immuno-deficiencies. Clinical research has also shown that cord blood may be developed to treat diabetes, liver th... [Read More]

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