Adulteration is defined as the tampering or manipulation of a urine specimen with the intention of altering the test results. The use of adulterants can cause false negative results in drug tests by either interfering with the screening test and/or destroying the drugs present in the urine.
A caryatid from the Erechtheion, standing in contrapposto, displayed at the British Museum. A caryatid (/kÃ¦riËÃ¦tÉªd/; Greek: ÎºÎ±ÏÏÎ¬ÏÎ¹Ï, plural: ÎºÎ±ÏÏÎ¬ÏÎ¹Î´ÎµÏ) is a sculpted female figure serving as an architectural support taking the place of a column or a pillar supporting an entablature on her head. The Greek term karyatides literally means maidens of Karyai, an ancient town of Peloponnese.
crusÂ·taÂ·cean. n. Any of various predominantly aquatic arthropods of the subphylum (or class) Crustacea, including lobsters, crabs, shrimps, and barnacles, characteristically having a segmented body, a chitinous exoskeleton, paired jointed limbs, and two pairs of antennae.rusâ¢taâ¢cean. 1. any chiefly aquatic arthropod of the class Crustacea, typically having the body covered with a hard shell, including lobsters, shrimps, crabs, barnacles, and wood lice. 2. belonging or pertaining to the Crustacea.