: Functionally unique as both a ductless (insulin) and ducted (digestive enzymes) gland.
: They control vital biological processes including: Metabolism : Energy use and storage. Growth : Physical development and cellular repair.
: These glands are richly supplied with blood vessels to ensure efficient hormone uptake.
: Located atop kidneys; regulate stress via adrenaline.
Ductless glands, formally known as , are specialized organs that secrete hormones directly into the bloodstream rather than through tubes or ducts. Key Features
: Unlike exocrine glands that act locally (like sweat), ductless glands influence distant target organs.