Neck muscles with skull, clavicles and sternum, laryngeal cartilages and hyoid bone, shown in situ and in isolation, in 3 numbered illustrations. Deep dissection of the neck to show neck muscles with clavicles, trachea, laryngeal cartilages, and thyroid gland partly visible, anterior view. 1 illustration of sternum with origins of sterno-thyroid and sterno-hyoid muscles, posterior view. 1 illustration of laryngeal cartilages and hyoid bone showing sterno-hyoid muscle, lateral view.