Roof Of Digastric Triangle

The roof of the triangle is formed the skin superficial cervical fascia the platysma and deep cervical fascia. The posterior part of the triangle is constant above with the parotid region. The triangles of the neck are surgically focussed first described from early dissection based anatomical.

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The submandibular triangle or submaxillary or digastric triangle corresponds to the region of the neck immediately beneath the body of the mandible boundaries and coverings.

Roof of digastric triangle.

Like the anterior triangle the digastric submandibular triangle is limited superiorly by the same structures. The posterior portion of the triangle is superiorly constant with the parotid region. The stylomandibular ligament subdivides the digastric triangle within anterior and posterior parts. The branches of the facial nerve and transverse cutaneous cervical nerves also pass over the roof of the triangle.

The digastric triangle is one of the paired triangles in the anterior triangle of the neck. Medially sagittal line down the midline of the neck. Laterally anterior border of the sternocleidomastoid. Skin superficial fascia platysma 17.

What is the floor and roof of the carotid triangle. Posterior belly of digastric muscle pbd superior belly of the omohyoid muscle so anterior border of sternomastoid muscle st roof. This triangle contains major arteries veins and nerves of the neck and head. Floor posteriorly is inferior pharyngeal conatrictor muscle anteriorly is the thyrohyoid muscle and hypoglossus roof is investing layer of fascia cutaneous nerves and platysma.

Investing fascia covers the roof of. The triangles of the neck are surgically focused first described from early dissection based anatomical studies which predated cross sectional anatomical description based on imaging see deep spaces of the neck. Superiorly inferior border of the mandible jawbone. Contents in the anterior part of the triangle.

The anterior triangle is situated at the front of the neck. The digastric triangle is one of the paired triangles in the anterior triangle of the neck. Its roof is formed by deep and superficial fascia platysma and skin. Posterior belly of digastric muscle posterior anterior portion of scm.

Carotid triangle boundaries of the carotid triangle are. Above by the lower border of the body of the mandible and a line drawn from its angle to the. The digastric triangle is subdivided into anterior and posterior parts by the stylomandibular ligament which goes from the tip of the styloid process to the angle of the mandible. Anteriorly by the anterior belly of digastric muscle.

Platysma cervical division of facial nerve and ascending branch of transverse cervical nerve are located in the superficial fascia above the roof.