Function. – 1% of body mass. – 25% of resting cardiac output. – Passes total blood volume every 4-5 minutes. – Filters 180 l per day and reabsorbs 178.5 l of it. – Produces 1.5 l of acidic. (pH~6) urine per day. – 5% increase in filtration would generate 9 l urine per day! – Regulation of kidney ensures that this does
24 Dec 2012 Its lecture notes for Human Anatomy and Physiology. Key points of the lecture are: Anatomy of Kidney and Nephron, Renal Capsule, Adipose Capsule, Renal Hilus, Renal Artery and Renal Vein, Functional Unit of Kidney, Papillary Duct, Blood Supply to Kidney, Study notes for Human Physiology. Alliance
Human Anatomy & Physiology: Urinary System; Ziser Lecture Notes, 2010.5. 1. The Urinary System. Urine production and elimination are one of the most important mechanisms of body homeostasis all body systems are directly or indirectly affected by kidney function eg. composition of blood is determined more by kidney
RENAL PHYSIOLOGY. These notes will present supplementary material, but are not meant to replace standard texts. Students are encouraged to read chapters 6 and 7 in the textbook by Costanzo. I. INTRODUCTION. The kidneys are critical in regulating the internal environment of the body. In particular, they regulate the
Make sure you can label the diagram showing the relative positions of the kidneys, ureters, bladder and urethra. The spellings of the ureter and urethra are really important. Structure of a kidney. The kidney has 3 main parts: the cortex, medulla, and pelvis. Leading form the pelvis is a tube, called the ureter. The ureter carries
reported to be 0.203 mm2 in the human kidney[8] and 0.184 mm2 in the rat kidney.[9]. FIGURE 2-9 Electron micrograph of normal rat glomerulus fixed in a 1% glutaraldehyde solution containing tannic acid. Note the relationship among the three layers of the glomerular basement membrane and the presence of the pedicels
The Kidney. Vertebrates possess kidneys: ? internal organs which are vital to ion and water balance and excretion. The kidney has 6 roles in the maintenance of homeostasis.
The kidneys remove urea and other toxic wastes from the blood, forming a dilute solution called urine in the process. The two kidneys have a very extensive blood supply and the whole blood supply passes through the kidneys every 5 minutes, ensuring that waste materials do not build up. The renal artery carries blood to
“the substance of the kidneys is nothing else than an aggregate of an infinite number of vessels of a kind peculiar to itself. Having cut through any part of the kidney, certain fibres or filaments extending from the outer surface to the hollow or pelvis are quite plainly visible If therefore you compress these filaments from

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February 2018