松树的树脂道(resin duct),周围的分泌细胞称为“上皮细胞 epithelial cell”,成管道,可互相连通,分泌物贮存在管道中,分泌树脂,氧化凝固成“松香”.
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traumatic resin duct [植] 创伤树脂道
structure of resin duct 树脂道结构
resin duct and resin elimination 树脂道和树脂分泌
By deeply analysing the variety of host cell nucleolus to estimate whether the host cell took place the programmed cell death after inoculated B. xylophilus. The nematodes can immediately intrude the host pine xylem from resin duct beside exposed incision.
线虫接种后，立即从接种切口处暴露的树脂道侵入松苗木质部，横向沿木射线向髓部蔓延，纵向沿树脂道向深处扩散，形成网络状分布。
参考来源 - 松材线虫病早期寄主薄壁细胞死亡方式的研究Four types of resin ducts are recorded in this study, including three primary patterns (external, medial, endonal) and one secondary pattern (bundle sheath resin duct).
论文共记述了四种类型树脂道，三种为初生型，分别为中生型、边生型和内生型(包括中隔型)；此外，在针叶内皮层以内，还发现了一种较为罕见的次生树脂道，即鞘内型。
参考来源 - 黄山地区黄山松（Pinus taiwanensis Hayata）针叶结构的海拔变异·2,447,543篇论文数据，部分数据来源于NoteExpress
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