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The male reproductive organs, which produce sperm and hormones.

Articles using this Glossary Item


Long-term use of ibuprofen may harm male fertility

15 January 2018 - by Nina Chohan

Men who regularly take the maximum recommended dose of ibuprofen may be at an increased risk of fertility issues... [Read More]

Act now to investigate male infertility, urges expert

16 October 2017 - by Annabel Slater

An expert in male fertility has called for urgent research into the stark decline reported in Western sperm counts... [Read More]

Human sperm maturation study may hold insights

09 October 2017 - by Shaoni Bhattacharya

Researchers hope that a study detailing the four stages of human sperm stem cell development may shed light on infertility and certain cancers... [Read More]

Neanderthal genes control human gene expression

27 February 2017 - by Annabel Slater and Ari Haque

Neanderthal DNA is still involved in controlling a range of traits in modern humans... [Read More]

Zika shrinks mice testicles and lowers fertility

27 February 2017 - by Dr Barbara Kramarz

The Zika virus reduces the size of testes in infected mice up to 21 days after infection, according to a recent study... [Read More]

Zika virus damages mouse testes and sperm

07 November 2016 - by Dr Barbara Kramarz

Zika virus causes permanent damage to the testes of male mice, reducing sperm count and sex hormone levels, according to a study... [Read More]

Dutch government seeks to allow creation of human embryos for research

06 June 2016 - by Anneesa Amjad

The Dutch government is planning to change the law to allow for the creation of human embryos for research... [Read More]

Spanish lab creates human sperm precursors from skin cells

03 May 2016 - by Ayala Ochert

Spanish scientists say they have created rudimentary sperm-like cells from skin and bone marrow cells taken from adult males... [Read More]

Lab-made sperm used to breed healthy mice

29 February 2016 - by Helen Robertson

Scientists in China have used stem cells to create rudimentary sperm that successfully fertilised mouse eggs to produce healthy offspring... [Read More]

ESHRE 2015: Research highlights

22 June 2015 - by Ayala Ochert

A roundup of research stories from ESHRE 2015 that hit the headlines this week... [Read More]

Scientists produce sperm inside fish ovaries

15 June 2015 - by Dr Lucy Freem

Knocking out a single gene in adult female fish causes them to produce sperm inside their ovaries, study results show... [Read More]

Teenage sperm mutation rate higher than thought

23 February 2015 - by Kirsty Oswald

Researchers have found that the rate of mutation in the sperm cells of teenagers is much higher than previously thought... [Read More]

Skin cells from infertile men transformed into early-stage sperm

06 May 2014 - by Siobhan Chan

Skin tissue from infertile men has been converted into sperm cell precursors after their stem cells were transplanted into mice... [Read More]

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 Dr 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 Dr 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]

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]


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