资料来源 : pyDict

胚根鞘

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Coleorhiza \Co`le*o*rhi"za\, n. [NL., fr. Gr. ? sheath + ?
   root.]
   A sheath in the embryo of grasses, inclosing the caulicle.
   --Gray.