Medically reviewed by Kelly Wood, MD The endocrine system is made of glands that produce hormones (chemical messengers), ...

Endocrine gland–derived VEGF represents the first example of a tissue-specific angiogenic factor, likely to be followed by others. Given the physiological and pathological relevance of ...

Once a hormone has been used, it is destroyed by the liver. Like the nervous system, hormones can control the body. The effects are much slower than the nervous system, but they last for longer.