MICROANATOMY

Detailed explanation-1: -Hypothyroidism happens when the thyroid gland doesn’t make enough thyroid hormone. This condition also is called underactive thyroid. Hypothyroidism may not cause noticeable symptoms in its early stages.

Detailed explanation-2: -What is hypothyroidism? Hypothyroidism, also called underactive thyroid, is when the thyroid gland doesn’t make enough thyroid hormones to meet your body’s needs.

Detailed explanation-3: -An underactive thyroid gland (hypothyroidism) is where your thyroid gland doesn’t produce enough hormones. Common signs of an underactive thyroid are tiredness, weight gain and feeling depressed.

Detailed explanation-4: -It is well known that severe Iodine deficiency during pregnancy causes inadequate thyroid hormone production and irreversible brain damage known as cretinism, still endemic in many areas of the world (23b).

Detailed explanation-5: -Thyroid disorders caused by overproduction of thyroid hormones are called hyperthyroidism, and underproduction of these hormones is known as hypothyroidism. The cause of secondary hypothyroidism is failure of the pituitary gland to secrete thyroid stimulating hormone (TSH).