Open Dictionary
mouse here to listen, click to choose/add more
Location: USA
Source: Learn That Word
Profile URL: www.learnthat.org

Are you a native English speaker? How do you pronounce this word?

Thank you for contributing!
upload mp3 file or record now it's easy, promised!

{%type%} Definitions

WordNet 3.0Copyright Princeton University
{%wordnet%}
Definitions.net
{%definitions_com%}

Videos

Short "hint"

n. - The opening into the archenteron.

edit
Usage examples (28)
  • From this Spemann could ascertain that the blastopore had an organizing influence on its environment.
  • Then in front of this blastopore there arise from the ectoderm the primordia of the brain and spinal cord.
  • In the course of gastrulation the invaginating material is rolled inwards around the upper lip of the blastopore.
  • The characteristic relation of the central nervous system to the blastopore in Annelida and Vertebrates had already been pointed out by
...click for more
Tutoring comment


Tutoring comment not yet available...

add more
The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.