leech on the tweezers. bloodsucking . subclass of ringworms from the belt-type class. hirudotherapy

alternative ancient animal annelid annelida anxiety belttype blood bloodletting bloodsucking care class clitellum closed dangerous disgust doctor education fluke glass healing health hermaphrodite hirudinea hirudotherapy invertebrate jar leech leeching medical medicalleech medicinal medicine microbiology nature parasite parasitic physic plastic procedure relief ringworms science segmented skin slice subclass suck sucker suction therapy tweezers water wet worm zoology