Pinealectomy in chickens consistently produces scoliosis with lordosis, ertebral rotations, and rib humps, which hae anatomic characteristics similar to those of human idiopathic scoliosis.

实松果体切除术后小鸡，经常可以导致侧凸发生，种侧凸同时伴有脊柱前凸，锥体旋转，肋骨隆起，与人发性脊柱侧凸征很相似。