Assertion: spiral cleavage | /r/HasProperty | characteristic of nemertean
Facets:
Source sentences:
text: In spiral cleavage, which is characteristic of most turbellarians, annelids, nemerteans, and mollusks, the micromeres separating from the first four blastomeres (macromeres) are arranged in the spaces between them.
text: In spiral cleavage, which is characteristic of most turbellarians, annelids, nemerteans, and mollusks, the micromeres separating from the first four blastomeres (macromeres) are arranged in the spaces between them.