Medical Definition of ORGANELLE. : a specialized cellular part (as a mitochondrion or ribosome) that is analogous to an organ.Britannica.com: Encyclopedia article about organelle. a specialized cellular part (as a mitochondrion, lysosome, or ribosome) that is analogous to an organ. See organelle defined for kids.
A urinalysis is a test of your urine. A urinalysis is used to detect and manage a wide range of disorders, such as urinary tract infections, kidney disease and diabetes. A urinalysis involves checking the appearance, concentration and content of urine. Abnormal urinalysis results may point to a disease or illness.
Urine Test: Routine Culture. What It Is. A routine urine culture detects the amount of germs (microorganisms like bacteria) present in the urine. Once a urine sample is collected, a technician will keep it in conditions where microorganisms can multiply. Normally, no more than a small number of germs will be in the urine if there's no infection.