| 释义 |
companion cell
companion celln. A specialized parenchyma cell, located in the phloem of flowering plants and closely associated in development and function with a sieve-tube element.companion cell
companion cell[kəm′pan·yən ‚sel] (botany) A specialized parenchyma cell occurring in close developmental and physiologic association with a sieve-tube member. MedicalSeephloem |