Combining Form Meaning Ex ample (Definition) aden/o gland adenopathy (gland disease carcin/o cancer carcinoma (cancerous tumor) cardi/o heart cardiac (pertaining to the heart) chem/o chemical chemotherapy (treatment with chemicals cis/o to cut incision (process of cutting into) dermat/o skin dermatology (study of the skin) enter/o small intestines pertaining to the small intestines gastr/o stomach gastric (pertaining to the stomach) gynec/o female gynecology (study of females) hemat/o blood pertaining to the blood hydr/o water hydrocele (protrusion of water) immune/o immune immunology (study of immunity) laryng/o voice box laryngeal (pertaining to the voice box) morph/o shape morphology (study of shape) nephr/o kidney nephromegaly (enlarged kidney) neur/o nerve neural (pertaining to a nerv