inflected m

A m. that turns around an o eous or cartilaginous pulley, thus changing the direction of its axis, internal m's. See involuntary m's. intrinsic m's. 1. M's of the limbs in the higher vertebrates which arise within the limb itself or from the arch to which the limb is attached. 2. M's which have their origins and insertions wholly within the organ or part they move, involuntary m's. M's that are not under conscious control. Most of these, except the muscles of the heart and of the esophagus, are made up of non-striated fibers, long m's. M's that lie upon two or more segments of a limb, or pa over two or more joints, lumbrical m's. See table of muscles, midriff m.