What is the tendon of Chinese sturgeon?

It is the tendon of Chinese sturgeon, and it is translucent on the back of fish, from the bottom of head to the tail. This is the most precious place for fish.

Acipenser sinensis has a series of primitive characteristics, which shows that it is not only a group between cartilaginous fish (sharks, etc.) ) and teleost, also a primitive group of teleost, have important academic value in the evolutionary history of fish. In addition, because of their large size, their meat and eggs have high nutritional value. Compendium of Materia Medica records: "Its liver is mainly used to treat sores and scabies, and its meat is used to tonify deficiency and replenish qi." Sturgeon and bone marrow have anti-cancer factors, which are known as "shark wings and sturgeon bones, which can prolong life, nourish yin and strengthen yang".