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Learn about the thyroid hormones T3 and T4, their production, metabolism, action, and measurement. Find out how they regulate metabolism, growth, and development, and how they are used to treat thyroid disorders.
15 lut 2022 · Learn about thyroid hormone, the hormone that controls your metabolism and affects many organs and tissues in your body. Find out how thyroid hormone levels are regulated, measured and influenced by various conditions.
5 cze 2023 · The thyroid gland, anterior pituitary gland, and hypothalamus comprise a self-regulatory circuit called the hypothalamic-pituitary-thyroid axis. The main hormones produced by the thyroid gland are thyroxine or tetraiodothyronine (T4) and triiodothyronine (T3).
14 cze 2023 · Learn about the thyroid gland, an endocrine organ that produces thyroid hormones that regulate metabolism and calcium homeostasis. Find out its embryology, anatomy, histology, neurovascular supply, hormone synthesis and clinical aspects.
Thyroid hormones are extremely important and have diverse actions. They act on virtually every cell in the body to alter gene transcription: under- or over-production of these hormones has potent effects. Disorders associated with altered thyroid hormone secretion are common and affect about 5% women and 0.5% men.
13 mar 2023 · Thyroid hormone induces effects on practically all nucleated cells in the human body, generally increasing their function and metabolism. Cardiac output, stroke volume, and resting heart rate increase through positive chronotropic and inotropic effects.
4 paź 2024 · The thyroid produces and releases two major hormones— thyroxine (T4) and triiodothyronine (T3). These hormones help to regulate many crucial bodily functions such as: Heart rate. Body weight. Muscle strength and control. Breathing. Body temperature. Bone loss. Blood lipid levels. Menstrual cycles. Central nervous system (CNS) Energy expenditure.
