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. 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. Symptoms of helminth infection include diarrhea, anemia, pneumonia, as well as physical and mental retardation. World Health Organization data suggest that 1/3 of the world’s population is at risk of infection, with one in six people already infected. Figure. 6 A hookworm's mouth. ( Click image to enlarge)
Coelomates: