Applicants with a High School diploma or GED may substitute up to two years of experience with college hours or additional TCEQ approved water operator training. 1  64 semester hours of college or 80 additional hours of approved training for two years of work experience.
Noun. 1. centriole-one of a pair of small cylindrical cell organelles near the nucleus in animal cells; composed of nine triplet microtubules and form the asters during mitosis. cell organ, cell organelle, organelle-a specialized part of a cell; analogous to an organ; the first organelle to be identified was the nucleus.entriole. 1. Either of two organelles near the nucleus involved in cell division. 2. One of a group of tiny tubules near the nucleus of a cell. Centrioles play a part in cell division.
An arteriole is a small-diameter blood vessel in the microcirculation that extends and branches out from an artery and leads to capillaries. Arterioles have muscular walls and are the primary site of vascular resistance. The greatest change in blood pressure and velocity of blood flow occurs at the transition of arterioles to capillaries.