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.

方法通过胸主动脉夹假腔的屈形状能,发现两者间的关系。结果60%的实验犬形成夹模型。

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：顶端分生组织上的侧生突起发育成叶的原基，与原形成有关。