What is the endocrine system? Your endocrine system is a network of several glands that create and secrete (release) hormones. A gland is an organ that makes one or more substances, such as hormones, digestive juices, sweat or tears. Endocrine glands release hormones directly into the bloodstream.

Microscopically, the functional unit of the thyroid gland is the spherical thyroid follicle, lined with follicular cells (thyrocytes), and occasional parafollicular cells that surround a lumen containing colloid.

2024年11月20日 · The thyroid gland is part of the endocrine system (along with the adrenal glands, hypothalamus, pituitary, ovaries, and testes, and other endocrine organs). The thyroid gland releases hormones into the bloodstream to control your metabolism, which is the primary way your body uses energy.

2023年3月13日 · Its location is in the inferior, anterior neck, responsible for the formation and secretion of thyroid hormones and iodine homeostasis within the human body. The thyroid produces approximately 90% inactive thyroid hormone, or thyroxine (T4), and 10% active thyroid hormone, or triiodothyronine (T3).

2024年5月28日 · The thyroid gland is a vital endocrine (hormone-producing) gland. It plays a major role in the metabolism, growth and development of the human body. It helps to regulate many body functions by constantly releasing a steady amount of …

2023年6月14日 · The thyroid gland is a butterfly shaped, vascular, red-brown endocrine gland situated in the midline of the anterior neck. Under normal circumstances, it extends from the level of the 5th cervical vertebra ( C5 ) to the first thoracic vertebra ( T1 ).

2025年1月17日 · Understanding the interaction of the thyroid gland with surrounding tissues and its functional consequences depends on its anatomical location. Located in the front of the neck, this gland is central and helps greatly in many physiological processes.

2017年7月30日 · The thyroid gland is a gland in the neck which secretes metabolic hormones important to the growth of the human body. It specifically regulates the creation and use of energy through the release of hormones. This gland does not …

2024年2月8日 · The thyroid gland is an endocrine organ found in the neck, it is responsible for regulating the body’s metabolic rate via hormones it produces. In this article, we will be looking at its anatomy, its cellular structure, its endocrine physiology and its clinical relevance.

2021年10月28日 · As a component of the endocrine system, the thyroid secretes hormones that control important functions including metabolism, growth, heart rate, and body temperature. Found within thyroid tissue are structures known as parathyroid glands.