トラベキュラ 柱 柵状織 索
rod-shaped structures of fibrous tissue that divide an organ into parts (as in the penis) or stabilize the structure of an organ (as in the spleen)
器官を部品（陰茎のように）に分割するか、器官（脾臓のように）の構造を安定させる繊維組織の棒形の構造