ACTH is secreted from the anterior pituitary in response to corticotropin-releasing hormone from the hypothalamus. corticotropin-releasing hormone is secreted in response to many types of stress, which makes sense in view of the stress management functions of glucocorticoids.
9-13 cm: With an ultrasound evaluation, the normal kidney size is 9-13 cm. One kidney may be up to 1.5 CM difference in size from the other and still be in acceptable range. Kidney sizes in females may be some smaller than in males but evenso a kidney smaller than 9 CM is abnormally small.
Each kidney feeds urine into the bladder by means of a tube known as the ureter. They are roughly 11 centimetres (4.3 in) in length. The kidneys regulate the balance of ions known as electrolytes in the blood, along with maintaining acid base homeostasis.