The relationship between Yijing and acquired eight diagrams, four seasons, three Yin San yang and five zang-organs (continued)

The above three yang and internal organs are all physical conditions after birth.

At the turn of summer and autumn, Kun gua, pure yin, accessory spleen (before birth, the mother is the earth, the abdomen is the spleen, and after birth, it is the accessory spleen (hehe))

At the turn of autumn and winter, dry divination, pure yang, accessory brain (Xuanyi) (the father is the head of the brain before birth and the accessory brain after birth (Xuanyi))

Before birth, there is only intestinal fat (the embryonic primitive substance produced by parents' blood) in the embryonic stage. In the fetal stage, the brain, heart and small intestine are born of intestinal fat, and the five internal organs are formed one after another after birth. Parents abdicated, intestinal fat abdicated, and became scorpions (accessory spleen) and mysterious scorpions (accessory brain), continuing in the dark.