Coronal view from magnetic resonance imaging (MRI). The MRI study provides anatomical information about the osseous and soft tissue extent of a tumor. From Thrall and Ziessman, 2001.
The halogens or halogen elements (/ËhaelÉµdÊÉ¨n/) ËhÃ¦lÉµdÊÉ¨n are a group in the periodic table consisting of five chemically related: elements (Fluorine), f (Chlorine), cl (Bromine), br (Iodine), i and (Astatine). At the artificially created element (117) ununseptium may also be a. halogenn the modern IUPAC nomenclature, this group is known as group 17. The name 'halogen' means 'salt-producing'. When halogens react with metals they produce a wide range of salts, including calcium fluoride, sodium chloride (common salt), silver bromide and potassium iodide.
Full Definition of HALLUCINOGEN. : a substance that induces hallucinations. â halÂ·luÂ·ciÂ·noÂ·genÂ·ic \-Ëlue-ËlÃ¼-sÉ-nÉ-Ëje\ nik adjective or. Noun see hallucinogen defined For-english language. Learners see hallucinogen defined for. kidsweet. : a substance (such as a drug) that causes people to see or sense things that are not real: a substance that causes hallucinations.