An endocrinologist cares for disorders of the endocrine system—the system of glands that produces hormones. Mercy Medical Group endocrinologists, Patricia Ostrander, MD, Deborah Plante, MD, and Patrick Richards, MD, specialize in the diagnosis and treatment of disorders of the glandular system and metabolism - most commonly diabetes and thyroid diseases.
Endocrinology is a branch of medicine dealing with disorder of the endocrine system and its specific secretions called hormones, the integration of developmental events such as proliferation, growth, and differentiation (including histogenesis and organogenesis) and the coordination of metabolism, respiration, excretion, movement, reproduction, and sensory perception depend on chemical cues, substances synthesised and secreted by specialized cells.
The endocrine system consists of several glands in different parts of the body that secrete hormones directly into the blood rather than into a duct system. Hormones have many different functions and modes of action; one hormone may have several effects on different target organs, and, conversely, one target organ may be affected by more than one hormone.
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