Digastric muscle (anterior belly), Mylohyoid muscle, Submandibular gland, Fibrous loop for intermediate digastric tendon, Stylohyoid muscle, Digastric
muscle (posterior belly), External
carotid artery Internal jugular vein, Thyrohyoid muscle, Omohyoid muscle (superior
belly), Sternohyoid muscle, Sternothyroid muscle, Scalenus
medius and scalenus posterior muscles, Trapezius muscle, Deltoid muscle.
Clavicle, Jugular notch, Clavicular head, Sternal head, Omohyoid muscle (inferior
belly), Pectoralis major muscle, Sternocleidomastoid muscle, Pretracheal
layer of deep cervical fascia over thyroid gland and trachea, Parotid gland, Platysma muscle (cut away), Mastoid
process Hyoid bone, Carotid sheath, Fascia of infrahyoid muscles (pretracheal layer) and cut edge, Thyroid cartilage, Superficial
layer of deep cervical fascia and cut edge, Cricoid cartilage, Suprasternal
space (of Burns), Manubrium of
sternum.