A University of California, Riverside team of scientists has found that Toxoplasma gondii, a common parasite affecting up to ...

An ovarian cyst rupture can cause sudden pain, bleeding, and other symptoms. Learn the signs, treatments, and what to expect ...

Boils are painful, pus-filled, and are caused by infections like Staphylococcus aureus. Cysts are painless, non-infectious growths filled with keratin or other substances. Antibiotics may treat boils ...

A photo of a cyst nematode's head viewed through a high-power microscope shows its esophageal glands, which produce effectors it uses to infect host plants. The image was digitally edited to highlight ...