noun blas·to·phore

Definition of blastophore



  1. 1 :  the residual cytoplasm detached during transformation of a spermatid to a spermatozoon

  2. 2 :  an amorphous cytoplasmic core that holds together the cells of the male morula of developing oligochaete germ cells and is produced by segregation of part of the cytoplasm of each spermatoblast of the morula



Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of blastophore

blast- + -phore

Seen and Heard

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


a trip made at another's expense

Get Word of the Day daily email!