The Anterior Triangle and Root of Neck

The Midline of the Neck

•  Hyoid bone

•  Thyrohyoid membrane

•  Thyroid cartilage

•  Cricothyroid membrane

•  Cricoid cartilage

•  Crico-tracheal ligament

•  Thyroid gland isthmus

•  Tracheal rings

•  Jugular venous arch.

It is important to identify these important midline structures.

(When and where is tracheotomy and laryngectomy done? What structures may be injured?)