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.
A urine sample (known as a urine toxicology screen) is typically used to test for marijuana exposure, and it can detect marijuana for days or weeks after use. Bloodwork can also be done to test for the amount of tetrahydrocannabinoid (THC) in the bloodstream. What to expect from urine and blood tests.