In a surgical context, an assistant is a trained healthcare professional who works alongside the primary surgeon to provide support during surgical procedures. Assistants may include surgical residents, physician assistants, registered nurses, or other medical professionals with specialized training in surgical techniques.

Assistants play an important role in ensuring the success and safety of surgical procedures by performing tasks such as preparing equipment, positioning the patient, controlling bleeding, suturing incisions, and managing anesthesia. Assistants may also help to monitor the patient's vital signs and respond to any complications or emergencies that arise during the surgery.

The specific tasks performed by an assistant may vary depending on the type of surgery, the surgeon's preferences, and the qualifications of the assistant. However, in all cases, the assistant works closely with the primary surgeon to ensure that the surgery proceeds smoothly and that the patient receives the best possible care.