Although it was already well known for the quality of its Nebbiolo grapes, the widely accepted birthdate of Barbaresco is 1894, when Cantina Sociale di Barbaresco was founded, as before that date Nebbiolo grapes from the Barbaresco area were mostly sold to Barolo producers.
Nephron, functional unit of the kidney, the structure that actually produces urine in the process of removing waste and excess substances from the blood. There are about 1,000,000 nephrons in each human kidney. The most primitive nephrons are found in the kidneys (pronephros) of primitive fish, amphibian larvae, and embryos of more advanced vertebrates.
The ureter is the structure through which urine is conveyed from the kidney to the urinary bladder. To learn more about the structure of the kidney, see our simple (labelled) diagram of a kidney nephron.idney nephron: Kidney nephrons are the functional units of the kidneys. That this, it is the kidney nephrons that actually perform the kidney's main functions. There are approx. a million nephrons within each kidney. To find out more about these, visit the page about Kidney Nephrons.