Thyroid: What It Is, Function & Problems - Cleveland Clinic
2022年6月7日 · Your thyroid is made of thyroid follicle cells (thyrocytes), which create and store thyroid hormone (mainly T3 and T4), and C-cells, which secrete the hormone calcitonin. How big is the thyroid? Your thyroid is about 2 inches long.
Thyroid Hormone: What It Is & Function - Cleveland Clinic
2022年2月15日 · Thyroid hormone actually represents the combination of the two main hormones that your thyroid gland releases: thyroxine (T4) and triiodothyronine (T3). They’re often collectively referred to as “thyroid hormone” because T4 is largely inactive, meaning it doesn’t impact your cells, whereas T3 is active.
Endocrine System: What It Is, Function, Organs & Diseases
2023年11月22日 · Your endocrine system consists of the tissues (mainly glands) that create and release hormones. Endocrine tissues include your pituitary gland, thyroid and others.
Thyroid-Stimulating Hormone (TSH) Levels - Cleveland Clinic
2022年7月25日 · In most cases, irregular thyroid-stimulating hormone (TSH) levels mean there’s an issue with your thyroid — it’s either producing too much thyroid hormone or too little. The good news is that your thyroid hormone levels, and TSH levels, can …
Parathyroid Hormone: What It Is, Function & Levels - Cleveland …
Parathyroid hormone (PTH) is a hormone your parathyroid glands release to control calcium levels in your blood. It also controls phosphorus and vitamin D levels. If your body has too much or too little parathyroid hormone, it can cause symptoms related to abnormal blood calcium levels.
Parathyroid Glands: What They Are, Function & Location
2024年5月13日 · Your parathyroid glands are four pea-sized endocrine glands that are embedded within the back side of your thyroid. They produce and release parathyroid hormone (PTH). This hormone is responsible for controlling blood calcium levels.
Thymus: The Function of the Gland & Why it is Important
2022年5月15日 · Your thymus produces and releases several hormones including: Thymopoietin : fuels the production of T-cells and tells the pituitary gland to release hormones. Thymosin and thymulin : help make specialized types of T-cells.
Thyroid Disease: What It Is, Causes, Symptoms & Treatment
For the most part, the symptoms of thyroid disease can be divided into two groups — those related to having too much thyroid hormone (hyperthyroidism) and those related to having too little thyroid hormone (hypothyroidism). The symptoms are …
Hormones: What They Are, Function & Types - Cleveland Clinic
2022年2月23日 · Your thyroid releases the following hormones: Thyroxine (T4). Triiodothyronine (T3). Reverse triiodothyronine (RT3). Calcitonin. Thyroxine and triiodothyronine are often collectively called “thyroid hormone.” Parathyroid glands
Pituitary Gland: What It Is, Function & Anatomy - Cleveland Clinic
Thyroid-stimulating hormone (TSH): TSH stimulates your thyroid to produce thyroid hormones that manage your metabolism, energy levels and your nervous system.