Which point is known as the jing-river point in the metal element?

The point known as the jing-river point in the metal element is the heart jing-river point, which is Heart 5. However, if this question intends to focus specifically on the superior and most significant point in the context of metal and the Heart channel, Heart 3 aligns with the definition of being associated with the water aspect that nourishes metal in traditional Chinese medicine.

Each of these points has its distinct characteristics in terms of function and location. The jing-river points are generally linked to the metal element and play essential roles in conditions related to the associated organ system. Specifically, jing-river points are often used to treat conditions of the throat, voice, and lungs, reflecting the nature of the metal element (pertaining to the lung and large intestine).

Heart 3, located at the cubital crease, is significant for treating heart-related symptoms and issues with the voice. The functions of this point, combined with its strong association with the metal element and its role in promoting the movement of qi and blood, solidify its status as an essential point to consider in practice. This highlights its utility in clinical settings where metal's influence is pivotal in treatment strategies.

Thus, the correct identification of the jing-river point within the metal