結けっ紮さつ糸しMeanings1nounligature; surgical suture threadMedical term for thread used to tie off blood vessels or other structures during surgery.手しゅ術じゅつ中ちゅうに結けっ紮さつ糸しで血けっ管かんを縛しばる。During surgery, blood vessels are tied with a ligature.