Answer: intimae

AnswerCrossword Clue
INTIMAEArtery linings
intimaeINTIMA, the innermost layer of an organ
intimaethe innermost membrane or lining of some organ or part, esp. that of an artery, vein, or lymphatic
intimaethe innermost coat of an organ (as a blood vessel) consisting usually of an endothelial layer backed by connective tissue and elastic tissue