familial dysautonomia

noun

Medical Definition of familial dysautonomia

: a disorder of the autonomic nervous system that is inherited as an autosomal recessive trait, typically affects individuals of eastern European Jewish ancestry, and is characterized especially by excessive sweating and salivation, lack of tears, difficulty in swallowing, corneal ulceration, orthostatic hypotension, poor thermoregulation, episodic vomiting, sensory deficits (as of taste and pain), and emotional instability

called also Riley-Day syndrome

Learn More about familial dysautonomia

Share familial dysautonomia

Comments on familial dysautonomia

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

WORD OF THE DAY

important, real, or meaningful

Get Word of the Day daily email!

Test Your Vocabulary

Homophone Quiz

  • three-bears-two-of-them-look-like-theyre-whispering-to-a-third-bear-who-looks-chuffed-to-be-the-center-of-attention
  • In order to judge how people felt, the senator's office hired a firm to take a ______.
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Word Winder's CrossWinder

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!