Thymus – The thymus gland is located in the chest just behind the sternum. Hormones produced by this gland stimulate the production of certain infection-fighting cells, and plays a central role in the development of T cells.

Thyroid – The thyroid gland is located inside the neck. It regulates metabolism, which is the body's ability to break down food and convert it to energy. Thyroid disorders result from too little or too much thyroid hormone. Symptoms of hypothyroidism (too little hormone) include decreased energy, slow heart rate, dry skin, constipation, and feeling cold all the time.

Thyroid-stimulating hormone – Thyroid-stimulating hormone (TSH or thyrotropin) stimulates the thyroid to secrete the hormones thyroxine and triiodothyronine and is manufactured by the hypothalamus and transported by the Anterior Pituitary gland.

Total testosterone – Total testosterone the total amount of testosterone in the blood, combining free testosterone and testosterone bound to certain molecules and already at use in the body.

Transdermal delivery – Transdermal delivery is a method of delivering medications through the skin. It may be accomplished through patches that can be worn for varying lengths of time or as an ointment that can be applied manually.

Turner Syndrome – Turner syndrome occurs in females when one of the X (female) chromosomes is missing or damaged. The most common features of Turner syndrome are short stature and reduced or absent development of the ovaries. As adults, women with this disorder are typically infertile.



Vitamin D – Vitamin D is a fat soluble vitamin that can be found in some foods but is mostly made by the skin when exposed to ultraviolet rays from the Sun. The two major forms are D2 and D3. Active vitamin D functions as a hormone because it sends messages to the intestines to increase the absorption of calcium and phosphorus. Vitamin D deficiency is known to cause several bone diseases, including rickets and osteoporosis.