Marine annelid worms, 10 letters
Chiefly marine annelids possessing both sexes and having paired appendages (parapodia) bearing bristles, 10 letters
Chiefly marine annelids possessing both sexes and having paired appendages (parapodia) bearing bristles, 9 letters
Semisynthetic penicillin (trade names Principen and Polycillin and SK-Ampicillin), 10 letters
Genus of soft-bodied polychete marine worms, 10 letters
A disorder characterized by an abnormal increase in the number of red blood cells in the blood, 12 letters