Geriatric nephrology Geriatric nephrology Geriatric nephrology is the branch of internal medicine and geriatric medicine that deals with diseases of the kidney It is a growing subspecialty of geriatrics. Patients who are living longer may acquire diseases that accelerate chronic kidney disease, which often remains undetected until patients are confronted with the sudden need for dialysis. International Society for Geriatric Urology and Nephrology is dedicated to this issue and has its own journal. A book about geriatric nephrology was published in 1986 by Bernard Davis, M. Michelis. The American Society of Nephrology has a grant in Geriatric Nephrology. In the United States,
Circumventricular organs isoleucine, calcitonin gene-related peptide, substance P and somastotin. However, these probably accumulate in the pineal but are not produced by the gland itself. Circumventricular organs Circumventricular organs (CVOs) are structures in the brain characterized by their extensive and highly permeable microvasculature, unlike those in the rest of the brain where there exists a blood brain barrier (BBB). The term "circumventricular organs" was originally proposed in 1958 by Austrian anatomist Helmut Hofer, in recognition of the distribution of the structures around the ventricular system of the brain. The circumventricular organs are midline structures around the third and fourth ventricles that are