IACUC GUIDANCE ON PI RECORDKEEPING FOR ANIMAL RESEARCH. INTRODUCTION. This document is provided to assist the animal investigator in determining the appropriate and. necessary record-keeping for animals in research, as mandated by federal and university laws, regulations, and policies.
Meaning Of Opal. Everyone associates opals as one of the worlds most unique gemstone. but what is the meaning of the word Opal. The name Opal is derived from ancient Sanakrit Upala meaning precious stone and later the Greek Derivative Opallios meaning to see a change of colour.
- Form of transparent Opal from Mexico, usually with an orange or red colors, used as a as a gemstone. Mexican Fire Opal usually refers to the form without play of color. If it exhibits a play of color, it is known as Precious Fire Opal. Milk Opal. - Opal with a milky-white color.