plasmodesma是什么意思

2024-01-31 16:37:17

plasmodesma

美[ˌplæzmədezmə] 英[plæzməʊdezmə]

n. [植]胞间连丝

sp. =plasmodesm.

异体字：plasmodesm 名词复数：plasmodesmata

Major components of a plasmodesma (PD) include a plasma membrane, a desmotubule, and a cytoplasmic annulus, all of which are readily detectable by electron microscopy. 胞间连丝的主要构成部分是细胞质膜、连丝小管、以及位于二者之间的环层细胞质。
Fig.13 Thin section of Lycopersicum esculentum leaf cell infected with CMV,showing virus particles in the plasmodesma(arrow); 图13番茄叶肉细胞中的黄瓜花叶病毒，示病毒粒子处在胞间连丝中(箭头)；
(2) "neck type" plasmodesmata, e.g. both ends of the ER-contained plasmodesma appeared to be constricted, showing a "neck region", and even forming an "abdomen" phenomenon; (2)"颈型"胞间连丝,即包含ER的胞间连丝的两端发生收缩,显示一种"颈"现象,甚至在中段形成一种"腹部"现象;
plasmodesma, plasmodesmata 胞间连丝