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

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

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 ...