gangrene

(GANG-green): the death of body tissue, most often caused by a lack of blood flow and infection. It can lead to amputation. Read more»

gastroparesis

(gas-tro-puh-REE-sis): a form of neuropathy that affects the stomach. Digestion of food may be incomplete or delayed, resulting in nausea, vomiting, or bloating, Read more»

gene

a basic unit of heredity. Genes are made of DNA, a substance that tells cells what to do and when do do Read more»

gingivitis

(JIN-jih-VY-tis): a condition of the gums characterized by inflammation and bleeding.  

gland

a group of cells that secrete substances. Endocrine glands secrete hormones . Exocrine glands secrete salt, enzymes , and water.

glaucoma

(glaw-KOH-muh): an increase in fluid pressure inside the eye that may lead to loss of vision.