Definition of "mesoblast" []

• The middle germinal layer of an early embryo, consisting of undifferentiated cells destined to become the mesoderm. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The epithelium of the trachea here consists of three or four layers of compactly arranged cells; this epithelium is surrounded by a dense mass of mesoblast which is responsible for the greater thickness of the trachea as seen in figure"
• "But in 1891 Pawkins, whose health had been bad for some time, published some work upon the "mesoblast" of the Death's Head Moth."
• "Mesoderm: = mesoblast: gives rise to muscular and circulatory systems."