perimedullary zone
环髓带
perimedullary zone, perimedullary region
又称“环髓区”，“髓鞘(medullary sheath)”。
相关词条
perimedullary zone, perimedullary region
perimedullary region【植】;perimedullary zone【植】
perimedullary
perimedullary phloem
perimedullary arteriovenous fistula
perimedullary region【植】;perimedullary zone【植】
perimedullary