sliding filament hypothesis

noun
slid·ing filament hypothesis | \ˈslīd-iŋ- \

Medical Definition of sliding filament hypothesis 

: a theory in physiology holding that muscle contraction occurs when the actin filaments next to the Z line at each end of a sarcomere are drawn toward each other between the thicker myosin filaments more centrally located in the sarcomere by the projecting globular heads of myosin molecules that form temporary attachments to the actin filaments and become detached when the actin filaments move in the opposite directions toward the ends of the sarcomere

called also sliding filament theory

— see crossbridge

Learn More about sliding filament hypothesis

Share sliding filament hypothesis

Resources for sliding filament hypothesis

Comments on sliding filament hypothesis

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

WORD OF THE DAY

exaggeratedly or childishly emotional

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Roman Mythology Quiz

  • the-triumph-of-venus-by-alessandro-magnasco
  • Boreal comes from the name of the ancient Greek god of which wind?
Spell It

Can you spell these 10 commonly misspelled words?

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!