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层假腔内外层的屈形状改变比能,发现两者间的关系。结果60%的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：顶端分生组织的侧生突起发育成叶的原基，与原形成层有关。