Definition of "hypogonadism" [hypogonadism]

• Inadequate functioning of the testes or ovaries as manifested by deficiencies in gametogenesis or the secretion of gonadal hormones. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• ""We're talking about a lot of men here," adds Brannigan, who estimates that at least 5 million U.S. men are affected by late-onset hypogonadism, which is the clinical term for the condition."
• "A condition called hypogonadism can affect men of any age."
• "TDS, also known as hypogonadism, describes symptomatic patients with low serum testosterone levels (generally below 12 nmol / L) 2."