Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

Medical Dictionary

dissection

play play play
noun dis·sec·tion \dis-ˈek-shən; dī-ˈsek-, ˈdī-ˌ\

Medical Definition of dissection

  1. 1:  the act or process of dissecting or separating: asa:  the surgical removal along natural lines of cleavage of tissues which are or might become diseasedb:  the digital separation of tissues (as in heart-valve operations)—compare finger fracturec:  a pathological splitting or separation of tissue—see aortic dissection

  2. 2a:  something (as a part or the whole of an animal) that has been dissectedb:  an anatomical specimen prepared in this way





Seen and Heard

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

WORD OF THE DAY

February 7, 2016

a slight offense

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

spindrift pince-nez kittly-benders duvet
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ