What's the use of the shell of Brazilian tortoise?

The shell of Brazilian tortoise has no medicinal value. The "vinegar tortoise shell" mentioned in traditional Chinese medicine uses the carapace and abdominal shell of the tortoise (Chinese grass tortoise).

Tortoise shell is the tortoise's abdominal shell, also known as tortoise shell, five-yuan board, mud drag board, defeated soldier and holy house. Shennong's herbal medicine is called "top grade". People's Republic of China (PRC) Pharmacopoeia (version 1985) stipulates that abdominal nail is used as medicine. It has been widely used in dorsal shell and abdominal nail.

The entire carapace of a turtle. The tortoise's carapace consists of arched carapace and flat abdominal carapace. The part connecting the dorsal nail and the abdominal nail is called the nail bridge. The whole turtle shell is box-shaped, and the head, neck, limbs and tail of the turtle can freely expand and contract in it, which plays a good protective role. The carapace and the carapace consist of two layers. The inner layer is composed of bone plate and comes from dermis; The outer layer consists of cutin shield, which comes from epidermis. The number and arrangement of shields and bone plates is one of the basis for turtle classification.