Cysts are small sacs filled with fluid, air or skin cells that can pop up just about anywhere.
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 ...
A brain MRI revealed that the cyst in the neurohypophysis gland had doubled in size, measuring 7 × 7.5 mm (versus 3.5 × 4 mm) ...