We all know that crotchety RN with an attitude, but for every Nurse Ratched, there are multiple Florence Nightingales!
References: http://emedicine.medscape.com/article/175667-overview http://emedicine.medscape.com/article/171886-overview Liddle, Rodger A., et al. "Cholecystokinin bioactivity in human plasma. Molecular forms, responses to feeding, and relationship to gallbladder contraction." Journal of Clinical Investigation 75.4 (1985): 1144. Stampfer, Meir J., et al. "Risk of symptomatic gallstones in women with severe obesity." The American journal of clinical nutrition 55.3 (1992): 652-658.
The brain is fed oxygenated blood by paired vessels that arises from the aortic arch.
Veins are blood vessels that carry deoxygenated blood toward the heart (with the exception of the pulmonary and portal veins which carry oxygen rich blood to the left atrium and liver respectively).
Nephrolithiasis typically refers to stones in the Kidney though in this article we'll cover all stones in the urinary tract. It is a common condition that affects 1 in 10 people in the US.
The small organ that can cause big trouble.