An endocrine organ is a structure within the body that produces and secretes hormones into the bloodstream. Other terms which are synonymous with endocrine organs include glandular organs, ductless glands or hormone-secreting organs. These organs play a vital role in regulating various bodily functions such as metabolism, growth, and reproductive processes. The most well-known endocrine organs include the pituitary gland, thyroid gland, and adrenal glands. Other organs, such as the pancreas and gonads, also produce hormones. When these organs malfunction, it can lead to hormonal imbalances that can cause a range of health issues. Regular monitoring and treatment of endocrine disorders can help to maintain proper bodily functions.