Interesting Facts About Anterior Triangle of the Neck
The anterior triangle of the neck is an anatomical division created by the muscles of the head and neck. It is used clinically to locate structures that pass through the neck. In this article, we shall look at the regional anatomy of the anterior triangle and its subdivisions.It is important to note that all triangles mentioned here are paired – they will appear on the left and the right side of the neck.
Facts About Neck
The common anterior midline swelling of the neck are as follows.
Enlarged submental lymph nodes and sublingual dermoid in the submental region.
Thyroglossal cyst and inflamed sub hyoid burst just below the hyoid bone.
Goitre, carcinoma of larynx and enlarged lymph nodes in the suprasternal region
Tracheostomy is an operation in which the trachea is opened and a tube inserted into it to facilitate breathing. It is most commonly done in the petrohyoid region after retracting the isthmus of the thyroid gland. A parathyroid tracheostomy is liable to structure, and an intrathyroidal one is also dangerous because numerous vessels lie anterior to the trachea here.
Cutthroat wounds are most commonly situated just above or just below the hyoid bone. The main vessels of the neck usually escape injury because they are pushed backward to a deeper plane during voluntary extension of the neck.
Skin incisions to be made parallel to natural creases or Langer’s lines.
Ludwig’s angina is the cellulitis of the floor of the mouth. The infection spreads above the mylohyoid forcing the tongue upwards . Mylohyoid is pushed downwards. There is swelling of the mouth as well as below the chain.
The carotid sinus is richly supplied by nerves. In some persons, the sinus may be hypersensitive. In such persons, sudden rotation of the head may cause slowing of the heart. This condition is called as “carotid sinus syndrome”.
The supraventricular tachycardia may be controlled by carotid sinus massage, due to inhibitory effects of the vagus nerve on the heart.