How many thyroid glands are in the human body?

There are 5 possible ducted glands and 9 possible ductless glands (for a total of 14)

However, based on gender, a normal human body will have a total of 13 glands, with two glands (mammary glands or prostate gland) being gender specific.

Ducted glands are called exocrine glands.

They secrete chemicals through ducts. They are:

1. Lachrymal Glands

2. Sweat Glands

3. Salivary Glands

4. Mammary Glands (fully developed in female)

5. Sebaceous Glands

Endocrine glands comprise the ductless glands. They are:

1. Hypothalamus

2. Pituitary Gland (Anterior & Posterior)

3. Adrenal Glands

4. Thyroid Gland

5. Gonads

6. Thymus

7. Pancreas

8. Pineal Gland

9. Prostate (male only)