tunica

Methods Found the relationship of aortic dissection false lumen s ectonexine of aortic tunica media by test and measurement their shape-changed strength ratio.

方法通过脉夹层假腔内外层屈形状改变比能,发现两者系。结果60%实验犬形成夹层模型。

Leaf buttress A leaf primordium, appearing as a protuberance on the side of the stem apex, produced by periclinal division of the tunica and corpus, and associated with a procambium.

叶原座：顶端分生组织上侧生突起发育成叶原基，与原形成层有。