*Ascaris lumbricoides* is the largest intestinal roundworm and is a widespread parasite across the world.

- *Ascaris lumbricoides*
- *Necator americanus*
- *Enterobius vermicularis*
- *Toxocara canis* and *T. cati*
- *Trichinella spiralis*
- *Dirofilaria immitis*

Parasitic species of Roundworms (Nematodes)

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Microbiology covers the scope and sequence requirements for a single-semester microbiology course for non-majors. The book presents the core concepts of microbiology with a focus on applications for careers in allied health. The pedagogical features of the text make the material interesting and accessible while maintaining the career-application focus and scientific rigor inherent in the subject matter. Microbiology’s art program enhances students’ understanding of concepts through clear and effective illustrations, diagrams, and photographs.

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Hookworms are parasitic worms that infect the small intestine, with the highest prevalence in sub-Saharan Africa and eastern Asia. 

Hookworm

*Ascaris lumbricoides*

*Enterobius vermicularis*, more commonly known as pinworm, is the most common nematode parasitic infection in the United States.

*Enterobius vermicularis*

*Necator americanus*, more commonly known as hookworm, is a common nematode parasitic infection, this specific species of hookworm is associated with having North American origins. 

*Necator americanus*

*Toxocara canis* and *T. cati* are the causative nematodes for toxocariasis infections, which can be transmitted from dogs/cats to humans. 

 *Toxocara canis* and *T. cati*

*Trichinella spiralis* is the causative nematode for trichinellosis, or trichinosis, infections, which can be contracted by consuming undercooked meat.

*Trichinella spiralis*

*Dirofilaria immitis*, more commonly known as heartworm, is transmitted to dogs/cats through mosquitoes.

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