Skip navigation

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Results 1 - 4 of 4 for Cystine nephrolithiasis
  1. Cystinuria is a condition characterized by the buildup of the amino acid cystine, a building block of most proteins, in the kidneys and bladder. As the kidneys ...
  2. ... made of. Up to 75 percent of all kidney stones are composed primarily of calcium. Stones can also be made up of uric acid (a normal waste product), cystine (a protein building block), or struvite (a phosphate ...
  3. ... into the blood. In particular, the amino acids cystine, ornithine, arginine, and lysine are absorbed back into ... amino acids to become concentrated in the urine. Cystine is the only amino acid that forms crystals ...
  4. ... into the blood. In particular, the amino acids cystine, ornithine, arginine, and lysine are absorbed back into ... amino acids to become concentrated in the urine. Cystine is the only amino acid that forms crystals ...