HELIX
helix, s. m. / helix. NA: helix (2). [Lot. helix, -ids, gr. helix, -ikos = spirala, melc.} 1) Structura macro-scopica sau moleculara aranjata In spirala. Ex.: *structura se-cundara de tip a-helix a proteinelor. 2) Marginea circumferintei care delimiteaza pavilionul urechii.