Issues of Concern when Considering Depo-Provera. The National Womenâs Health Network (NWHN) values the research on Depoâs safety and the availability of accurate information about the methodâs side effects.
Surrounded by a fibrous capsule, the liver is made up of liver lobules (the functional units of the liver). Each lobule is constructed around a central vein that empties into the right and left hepatic veins which then drain into the vena cava.
The functional (filtering) unit of the kidneys is the nephron. A nephron is made of the afferent arteriole, the efferent arteriole, the glomerulus, the Bowman's capsule, the proximal tubule, the loop of Henle, the distal tubule and the collecting duct.