13 letters · 15 points in Scrabble
adjective located or occurring within a cell or cells
originEtymology tree Proto-Indo-European *h₁én Proto-Indo-European *-teros Proto-Indo-European *h₁énterosder. Latin *interus Latin intrābor. English intra- English cellular English intracellular From intra- + cellular.
Etymology from Wiktionary, CC BY-SA 3.0