Endocrine system

Function

Glands releasing hormones into the blood to regulate growth, metabolism and reproduction.

Includes

Pituitary, thyroid, adrenal glands, pancreatic islets, ovaries or testes, and others.¹

Organs of this system

• Pancreas
• Thyroid gland

Educational illustrations, not medical images.

A short overview linking this part to related content.

Conditions that affect it

• HypothyroidismCondition
• Polycystic ovary syndromeCondition

Includes

• PancreasOrgan
• Thyroid glandOrgan

Specialty

• Endocrinology and diabetesSpecialty

Related to

• PhysiologyTopic

References

1. 1
   NCI SEER Training. Endocrine System. training.seer.cancer.gov/anatomy/endocrine/
   Educational & historical references · Accessed 2026-10-03