Adrenalin Adrenalin is the hormone secreted by the adrenal glands (which are situated on top of the kidneys) in times of emergency or excitement. It increases the heart rate,
Suprarenal Glands The suprarenal glands are two yellowish organs that lie on the upper poles of the kidneys on the posterior abdominal wall.
Renal Structure Each kidney has a dark brown outer cortex and a light brown inner medulla.
Renal Colic The renal pelvis and the ureter send their afferent nerves into the spinal cord at segments T11 and 12 and L1 and 2.