Helminthology Asmund Rudolphi, Otto Friedrich Bernhard von Linstow and Johann Gottfried Bremser started systematic scientific studies of the subject. The Japanese parasitologist Satyu Yamaguti was one of the most active helminthologists of the 20th century; he wrote the six-volume "Systema Helminthum". Helminthology Helminthology is the study of parasitic worms (helminths), while helminthiasis describes the medical condition of being infected with helminths. Helminthology studies the taxonomy of helminths and their effects on their hosts. The origin of the first compound of the word is the Greek "ἕλμινς" - helmins, meaning "worm". In the 18th and early 19th century there was wave of
Creatures (video game series) instructions, which the creature may choose to obey. A complete life cycle is modelled for the creatures - childhood, adolescence, adulthood, and senescence, each with their own particular needs. The gameplay is designed to foster an emotional bond between the player and their creatures. Rather than taking a scripted approach, Creatures series games were driven by detailed biological and neurological simulation and their unexpected results. There were six major Creatures releases from Creature Labs. Between 1996 and 2001, there were three principal games released, the Docking Station add-on (generally referenced as a separate game) and two children's games, and there