Thyroid
The thyroid gland is located at the front of the neck. It surrounds the trachea and its color is reddish. The thyroid gland is an endocrine that transmits its secretions directly to the blood without the need for blood vessels. Any abnormalities in the increase or decrease of thyroid production of the hormone T4 Diseases of the human being as it works the thyroid to regulate the rate of metabolism in many tissues in the body and disorders that are in the thyroid can not be directly known.
The thyroid gland contains 20-30 million follicles, called thyroid follicles, surrounded by a simple epithelium consisting mainly of cells adjacent to the follicle and follicular cells. For cells adjacent to the follicle, they are the largest size of the follicular cells and are present between the follicular cells and in their own clusters. The follicular cells have a simple, vertical shape and differ in shape from the cells around them, surrounded by blood vessels and lymphatic vessels that allow the exchange of substances between the blood and the bursa.
Thyroid function is the secretion of the thyroid hormone, which is divided into two types: thyroxine, ether, primary hormone (T4) and a third hormone, thyroid (T3), which is converted to thyroxine.
Causes of increased thyroid secretions
Increased thyroid secretion or deficiency caused human diseases, causes of increased thyroid secretion:
- The occurrence of polycystic ovaries, which is treated with surgical intervention and eating foods containing iodine, such as salt and fish, which help to get rid of this problem.
- Jerivez disease that results because of a defect in the immune system in the body, causing diarrhea, accelerated heart rate and frequent urination.
Causes of hypothyroidism
- Genetic diseases that cause the immune system to attack the thyroid gland.
- Temporary inflammation of the thyroid gland or taking drugs that affect the thyroid gland.
- Pituitary gland dysfunction.
The lack of thyroid secretions can be treated by taking thyroid hormone pills to compensate for thyroid hormone deficiency and its quick effect improves the patient after two weeks and the patient may need to use it for life.
Treatment of increased thyroid secretion
- Antihypertensive drugs.
- Surgical removal of the gland if the patient does not respond to medication.
- Eat iodine.