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.
Noun. 1. carapace-hard outer covering or case of certain organisms such as arthropods and turtles. cuticle, shell, shield. turtle-any of various aquatic and land reptiles having a bony shell and flipper-like limbs for swimming.arÂ·aÂ·pace. n. 1. Zoology A hard bony or chitinous outer covering, such as the fused dorsal plates of a turtle or the portion of the exoskeleton covering the head and thorax of a crustacean. 2.