blastodisc

play
noun blas·to·disc \ˈblas-tə-ˌdisk\

Definition of blastodisc

  1. :  the embryo-forming portion of an egg with discoidal cleavage usually appearing as a small disc on the upper surface of the yolk mass — see egg illustration

1878

First Known Use of blastodisc

1878


Medical Dictionary

blastodisc

noun blas·to·disc
variants: or

blastodisk

\ˈblas-tə-ˌdisk\play

Medical Definition of blastodisc

  1. :  the embryo-forming portion of an egg with discoidal cleavage usually appearing as a small disc on the upper surface of the yolk mass

Illustration of blastodisc

Learn More about blastodisc


Seen and Heard

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

Love words? Need even more definitions?

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

WORD OF THE DAY

a person who is a bore or nuisance

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • peter-bruegel-tower-of-babel-painting
  • What language does pajama come from?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

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!