略語大辞典 [Bio] 27 SAM shoot apical meristem (植物の)発芽尖端分裂組織. 植物の未分化胚組織.shoot apical meristem; the origin of the shoot system of a plant; formed during embryogenesis; can be identified by its terminal position and its tunuca corpus cellular arrangements; [Bio]. 丸善「略語大辞典」JLogosID : 11858551