X-ray image of plain abdomen supine.

Parasitic Nematodes in Humans

Parasitic nematodes (worms) in humans can be found in the intestines, muscles and other tissues. More people around the world have a nematode infection than any other parasitic infection.

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Characteristics of Ascaris Lumbricoides

Ascaris lumbricoides, also known as the giant intestinal roundworm, is one of several soil-transmitted nematodes that are infectious to humans. According to the Global Network for Neglected Tropical Diseases, ascariasis is the most common human worm infection. More than 60,000 people die from the disease annually.

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Anaerobic Bacteria List

Anaerobic bacteria are organisms that are capable of surviving and growing in an atmosphere of little or no oxygen. Anaerobic bacteria can be further broken down based on their relationship to oxygen: obligate, aerotolerant or facultative anaerobe.

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Differences Between Strep A & Strep B

Strep A and strep B, or Streptococcus pyogenes and Streptococcus agalactiae respectively, are closely related microorganisms with several characteristics in common. First, they both produce beta-hemolysis, which means the organisms contain hemolysins, which will lyse red blood cells in agar that contains blood.

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