What primary responsibility did the surgeon's mate have on board?

The primary responsibility of the surgeon's mate on board was to assist the ship's surgeon. This role involved supporting the surgeon in various medical tasks, which could include performing procedures, preparing patients for surgery, and assisting in the treatment of injuries and illnesses among the crew members. The surgeon's mate acted as a critical support position, allowing the surgeon to focus on more complex medical cases while still ensuring that the healthcare needs of the ship's crew were met efficiently.

In the context of a naval setting, where medical personnel may face unique challenges due to limited resources and the dynamic environment of a ship, the role of the surgeon's mate becomes essential in maintaining overall health onboard. This includes taking on many practical duties that ensure that medical operations run smoothly and effectively.