資料來源 : pyDict

管胞

資料來源 : Webster's Revised Unabridged Dictionary (1913)

Tracheid \Tra"che*id\, n. (Bot.)
   A wood cell with spiral or other markings and closed
   throughout, as in pine wood.

資料來源 : WordNet®

tracheid
     n : long tubular cell peculiar to xylem