parablast

1 definition found

parablast - Collaborative International Dictionary of English v.0.48 :

  Parablast \Par"a*blast\, n. [Cf. Gr. ? to grow beside. See
     Para-, and -blast.] (Biol.)
     A portion of the mesoblast (of peripheral origin) of the
     developing embryo, the cells of which are especially
     concerned in forming the first blood and blood vessels. --C.
     S. Minot.
     [1913 Webster]