Title: Animals III - Pseudocoelomates and Protostome Coelomates - Biology 110 Master - Confluence
Headings: Introduction and Goals
Terms
Introduction and Goals
Coelomates and Pseudocoelomates
Pseudocoelomates: The Phylum Nematoda
Coelomates: Protostomes versus Deuterostomes
Protostome Coelomates: The Phylum Mollusca
Mollusk Anatomy
Protostome Coelomates: The Phylum Annelida
Summary

Content: Figure. 4 Kidney occupied by Giant Kidney Worms. ( Click image to enlarge)
It is estimated that 25% of the world's population is infected with these roundworms ( Ascaris lumbricoides ). This particular mass of worms was passed from the intestine of a human. The ruler at the side is 3 cm long. Figure. 5 Ascaris lumbricoides . Roundworms that can infect the human intestines. ( Click image to enlarge)
Other nematodes include pinworms, hookworms, and Trichinella spiralis (the causative agent of trichinosis). This hookworm mouth (right) reveals how these worms are able to latch on to a host and penetrate the host's intestines and other organs.