Final answer:
The root 'stom' in xerostomia comes from the Greek word 'stoma', meaning 'mouth'. Xerostomia is a medical condition characterized by a dry mouth.
Step-by-step explanation:
xerostomia, the root stom means
The root 'stom' in the term 'xerostomia' comes from the Greek word 'stoma', which means 'mouth'. So, 'stom' in xerostomia refers to the mouth. Xerostomia is a medical term that describes the condition of having a dry mouth. It can be caused by various factors, such as certain medications, medical conditions, or radiation therapy.