levator muscle of thyroid gland levator muscle of thyroid gland a fibrous or muscular band is sometimes found attached, above, to the body of the hyoid bone, and below to the thyroid isthmus, or its pyramidal lobe. when muscular, it is termed the levator muscle of thyroid gland. levator muscle of thyroid glandthe thyroid gland and its relations. (levator muscle not labeled, but region is visible.)detailsoriginthyrohyoid muscleinsertionthyroid isthmusnerveansa cervicalisidentifierslatinmusculus levator glandulae thyroideaeta98a04.2.04.008ta22175fma13345anatomical terms of muscle