Crossword solverSynonyms for involuntary muscle5 crossword answers for “involuntary muscle” (11,6), sorted by letter count.How many letters?All561811011212816 letters 1muscle8 letters 1musculus10 letters 1myometrium12 letters 1smooth muscle(6,6)28 letters 1musculus sphincter ani internus(8,9,3,8)