thoracic part of iliocostalis lumborum (muscle)
Definition: deep back (erector spinae) muscle; origin, medial side of angles of lower six ribs; insertion, angles of upper six ribs; action, extends, abducts, and rotates thoracic vertebrae; nerve supply, dorsal branches of thoracic nerves.
Synonym(s): iliocostalis thoracis (muscle)TA, pars thoracica musculi iliocostalis lumborumTA, musculus iliocostalis dorsi, musculus iliocostalis thoracis
© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.
Search Stedman's Medical Dictionary
Examples: glitazone, GI cocktail, etc.