Labels:text | screenshot | skeleton OCR: Resident and Staff Physician Patient Education Chart Location & Function of the Endocrine Glands * Endocrine glands are ductless structures They secrete hormones directly into the bloodstream * They have specific target organs in the body Control is based on a "feedback" system (an increased level has a depressant effect on its own production) Hypothalmus Pituitary Pineal gland Parathyroid Thyroid Thymus Adrenal gland Pancreas Ovary -Testis Reprinted with permission from Resident and Staff Physician (c) 1991-92, 1993 by Romaine Pierson Publishers, Inc.