What is the root word referring to 'gland' in medical terminology?

The root word that refers to 'gland' in medical terminology is aden/o. This root originates from the Greek word "aden," which means gland. In medical contexts, terms that include this root often pertain to various glands in the body, such as adenopathy (disease of the gland) or adenectomy (surgical removal of a gland).

The other options, while they represent various concepts in medical terminology, do not refer to glands. Dynia relates to pain, cele refers to a hernia or swelling, and hysteratresia is specifically related to a closure or absence of the uterus opening, which does not involve the general concept of a gland. Understanding these root words and their meanings is essential for interpreting medical vocabulary accurately.