extensor retinaculum

noun
extensor ret·i·nac·u·lum | \-ˌret-ᵊn-ˈa-kyə-ləm \

Medical Definition of extensor retinaculum 

1 : either of two fibrous bands of fascia crossing the front of the ankle:

a : a lower band that is attached laterally to the superior aspect of the calcaneus and passes medially to divide in the shape of a Y and that passes over or both over and under the tendons of the extensor muscles at the ankle

called also inferior extensor retinaculum

b : an upper band passing over and binding down the tendons of the tibialis anterior, extensor hallucis longus, extensor digitorum longus, and peroneus tertius just above the ankle joint

called also superior extensor retinaculum, transverse crural ligament

2 : a fibrous band of fascia crossing the back of the wrist and binding down the tendons of the extensor muscles

Learn More about extensor retinaculum

Share extensor retinaculum

Comments on extensor retinaculum

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

WORD OF THE DAY

required by fashion, etiquette, or custom

Get Word of the Day daily email!

Test Your Vocabulary

Great Scrabble Words—A Quiz

  • scrabble-tiles-that-read-scrabble-quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

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!