What is anterior triangle of the neck?

What is anterior triangle of the neck?

The anterior triangles refer to bilateral anatomic subdivisions of the neck comprising the anterior surface of the neck, deep to the superficial cervical fascia and platysma muscle. Laterally, the anterior triangle is bounded by the anterior border of the sternocleidomastoid muscle.

How many triangles are in the anterior triangle of neck?

The anterior cervical triangle is bounded by the midline of the neck, the anterior border of the sternocleidomastoid muscle (SCM), and the inferior border of the mandible [3]. This triangle is typically subdivided into three paired and one unpaired triangle.

What is the importance of the anterior triangle of the neck?

The use of the divisions described as the triangles of the neck permit the effective communication of the location of palpable masses located in the neck between healthcare professionals. The common swellings anterior of the midline are: Enlarged submental lymph nodes and sublingual dermoid in the submental region.

Which muscles divide anterior triangle of the neck?

The sternocleidomastoid muscle, in its oblique (posterosuperior) course, further divides the neck into anterior and posterior triangles.

What muscles are part of the anterior triangle?

Muscles: Suprahyoid muscles – Digastric (Ant and Post Belly), mylohyoid, geniohyoid and Stylohyoid. Infrahyoid muscles – Omohyoid, Sternohyoid, Sternothyroid, and Thyrohyoid.

What are the contents of the anterior triangle?

The contents of the anterior triangle include muscles, nerves, arteries, veins and lymph nodes. The muscles in this part of the neck are divided as to where they lie in relation to the hyoid bone. The suprahyoid muscles are located superiorly to the hyoid bone, and infrahyoids inferiorly.

What are the 2 main triangles of the neck?

The triangles of the neck are the topographic areas of the neck bounded by the neck muscles. The sternocleidomastoid muscle divides the neck into the two major neck triangles; the anterior triangle and the posterior triangle of the neck, each of them containing a few subdivisions.

What structures are located in the anterior neck?

The anterior triangle of the neck can further subdivide into four smaller regions, which include the submental or digastric triangle, submandibular triangle, carotid triangle, and muscular triangle.

What is anterior triangle lymph node?

The anterior cervical lymph nodes are a group of nodes found on the anterior part of the neck, in front of the sternocleidomastoid muscle. These can be grouped into a deep and superficial group. Anterior cervical lymph nodes. Deep Lymph Nodes.

Which neck structures would be palpated in the anterior cervical region?

In the anterior neck, you can palpate the cartilages of the larynx and trachea….Most anterior structures:

• brachiocephalic vein.
• vertebral vein.
• internal jugular vein.
• subclavian vein.
• thoracic duct.
• thymus gland.