: Functionally unique as both a ductless (insulin) and ducted (digestive enzymes) gland.
Ductless glands, formally known as , are specialized organs that secrete hormones directly into the bloodstream rather than through tubes or ducts. Key Features
: Often called the "master gland" for controlling others. Thyroid Gland : Found in the neck; manages metabolic rate.
: These glands are richly supplied with blood vessels to ensure efficient hormone uptake.
Pituitary gland | Definition, Anatomy, Hormones, & Disorders
: Maintaining internal balance like blood sugar and temperature. Major Examples
: They pour chemical messengers (hormones) directly into the circulatory system for body-wide transport.
: They control vital biological processes including: Metabolism : Energy use and storage. Growth : Physical development and cellular repair.
