LINK / CITE ADD TO WORD LIST. noun. The definition of an organelle is a structure in a cell with a specific function. An example of an organelle is a centriole.oun. A differentiated structure within a cell, such as a mitochondrion, vacuole, or chloroplast, that performs a specific function. New Latin organella, diminutive of Medieval Latin organum, organ of the body, from Latin, implement, tool; see organ.
Urine Test Overview. Urinalysis, also called a routine urine test, is used to check for abnormalities in the urine.Urine is liquid waste, which is made by the kidneys and stored in the bladder until it is eliminated by the body through urination. A number of diseases and conditions can result in abnormalities in the urine.
What the Test Does. Urine tests check levels of protein, glucose, and blood as well as identify signs of infection. Unusual urine tests can be a sign of problems, such as diabetes, preeclampsia (high blood pressure), or kidney and bladder infection. All of these conditions are treatable.