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.
The grain of corn is known as a caryopsis, which Merriam-Webster defines as: a small one-seeded dry indehiscent fruit (as of corn or wheat) in which the fruit and seed fuse in a single grain This image by Encyclopedia Britannica shows that the corn seed, enclosed by the seed coat (testa) is then further surrounded by the pericarp, which consists of the layers of tissue around the fruit.