Final answer:
Ligation with suture material is an atraumatic method of hemostasis during surgery.
Step-by-step explanation:
An atraumatic method of hemostasis during surgery is ligation with suture material. Hemostasis is the process of stopping bleeding, and it involves several steps including vascular spasm, platelet plug formation, and coagulation.
Ligation with suture material is a method used to tie off or close blood vessels and prevent further bleeding.