noma [no´mah] gangrenous processes of the mouth or genitalia. In the mouth (cancrum oris, gangrenous stomatitis), it begins as a small gingival ulcer and results in gangrenous necrosis of surrounding facial tissues. The condition on the genitalia is called erosive balanitis in males and erosive vulvitis in females. no·ma (nō’mă), A gangrenous …

