tyrosine hydroxylase

noun

Medical Definition of tyrosine hydroxylase

: an enzyme that catalyzes the first step in the biosynthesis of catecholamines (as dopamine and norepinephrine)

Learn More about tyrosine hydroxylase

Cite this Entry

“Tyrosine hydroxylase.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/tyrosine%20hydroxylase. Accessed 21 Oct. 2020.

Comments on tyrosine hydroxylase

What made you want to look up tyrosine hydroxylase? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Citation

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!