parablastとは 意味・読み方・使い方

名詞

parablast (plural parablasts)

1. (biology) A portion of the mesoblast (of peripheral origin) of the developing embryo, whose cells are involved in the formation of the first blood and blood vessels.
   • 1897, Charles Sedgwick Minot, Human Embryology:

     The study of the relations of the' wall in the chick induced him to think that the elements of the white yolk he came parablast cells; moreover, the study of the hen's ovary led him to the conclusion that the white yolk was developed from the granulosa cells, and that these cells arise from leucocytes.

派生語