In research institutions, biomedical engineers supervise laboratories and equipment, and participate in or direct research activities in collaboration with other researchers with such backgrounds as medicine, physiology, and nursing.n research institutions, biomedical engineers supervise laboratories and equipment, and participate in or direct research activities in collaboration with other researchers with such backgrounds as medicine, physiology, and nursing.
Melatonin is released in the dark, during sleep. The pineal gland has been implicated in a number of disorders including cancer, sexual dysfunction, hypertension, epilepsy, Pagetâs diseaseâ¦ The pineal gland calcifies with age and melatonin production correspondingly decreases.
They are produced in the zona fasciculata. The primary glucocorticoid released by the adrenal gland is cortisol in humans and corticosterone in many other animals. Its secretion is regulated by the hormone ACTH from the anterior pituitary.