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.
叶座:顶端分生组织上的侧生突起发育叶的,与形层有关。
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.
叶座:顶端分生组织上的侧生突起发育叶的,与形层有关。
The proter's oral primordium appears (under the pellical, too) anterior to the parent AZM2, from which membranells 7―11 of AZM1, the whole AZM2, PM and one of the frontal cirri will be originated;
(2)虫口出现在老虫AZM2之方深处,其随后发育虫的AZM2、口侧膜及AZM1的一部分,并更新老结构AZM1中的第7―11片小膜。
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