The collagen fibers originating from the capsule formed interlobular septula and separated pineal parenchyma into 00～00 起自囊的胶原纤维构成小叶间隔，分隔松果体实质为直径00～00μm的小叶。
The septula possessed 0 80 μm round or oval holes through which the lobules were continuous with each other.隔上有直径0～80μm圆形或卵圆形的孔，以此使小叶互相连通。