It is a kind of organization with transparent connective tissue membrane in the surface and tubules filling the inner, which is formed by branching and tortuous vessels from the antenna feeler artery.

• 它由触角动脉上分出的动脉血管不断分叉、迂曲，形成了一个外包透明结缔组织膜，内部充满小管的组织结构。