parablast
noun
para·blast
ˈpar-ə-ˌblast 
1
: mesoblast
especially
: the part of the mesoblast giving rise to vascular structures
2
: blastomeres that give rise to extraembryonic membranes
Cite this Entry
“Parablast.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/parablast. Accessed 3 Nov. 2025.
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