What structures are in the anterior triangle?

Organs

• Pharynx.
• Larynx.
• Oesophagus.
• Thyroid Gland.
• Parathyroid Glands.

What is palpated in the anterior triangle of the neck?

In the anterior neck, you can palpate the cartilages of the larynx and trachea. The thyroid gland is closely associated with the cricoid cartilage and the tracheal rings and should always be palpated in a general physical examination of the neck. Another very important structure that is palpable is the carotid artery.

What muscles are in the anterior triangle?

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

What lymph nodes are in the posterior triangle of the neck?

The posterior triangle contains level 5 lymph node chains. These include spinal accessory and transverse cervical nodes. Depending on the location of the nodes above or below the accessory nerve, they are sub grouped as level 5a (above) or level 5b (below).

What is anterior triangle lymph node?

The anterior cervical, infrahyoid, prelaryngeal, thyroid, pretracheal, paratracheal lymph nodes can also be found in this triangle. Its medial part includes the esophagus, trachea, thyroid gland, and the lower part of the larynx. Tracheostomy and thyroidectomy are invasive surgeries that access this triangle.

What is the anterior triangle?

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.

What makes up the posterior triangle of the neck?

These borders include the trapezius muscle posteriorly, the sternocleidomastoid muscle anteriorly, and the middle one-third of the clavicle inferiorly. The union of the sternocleidomastoid and trapezius muscles at their insertion on the superior nuchal line of the occipital bone form the apex of the triangle.

What causes swollen posterior cervical lymph nodes?

Any viral or bacterial infection of the upper respiratory tract or pharynx can cause enlargement, including mouth infections such as herpetic stomatitis, or dental infection. Posterior cervical or occipital lymphadenopathy may be caused by scalp infection or dermatitis, roseola or rubella infection.

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.

What causes anterior cervical lymph nodes to swell?

Lymph node inflammation can occur for a variety of reasons. Any infection or virus, including the common cold, can cause your lymph nodes to swell. Cancer can also cause lymph node inflammation. This includes blood cancer, such as leukemia and lymphoma.

What Innervates the anterior triangle?

The muscles innervated by ansa cervicalis are the sternohyoid, sternothyroid, and omohyoid muscles.