Which root means "parathyroid gland"?

The root that means "parathyroid gland" is parathyroid/o. This root specifically refers to the parathyroid glands, which are small endocrine glands located behind the thyroid gland in the neck. Their primary function is to regulate calcium levels in the blood through the secretion of parathyroid hormone.

In medical terminology, combining forms often consist of a root and a combining vowel, allowing for more flexible word formation in related terms. Recognizing the roots related to specific glands or systems is vital in medical communication, enabling healthcare professionals to accurately describe conditions, procedures, and anatomical references. In this context, parathyroid/o is directly associated with the parathyroid glands, while the other roots provided relate to different anatomical structures or systems.