Investing fascia covers the roof of the triangle while visceral fascia covers the floor.
Floor muscles of digastric triangle.
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.
The anterior triangle is subdivided by the hyoid bone suprahyoid and infrahyoid muscles into four triangles.
2 bellies of digastric anterior.
Digastric fossa on the deep surface of symphysis menti of the mandible.
What are the contents of the submandibular triangle.
This salivary gland can be described as having two lobes which are divided by the posterior border of the mylohyoid muscle.
In front by the anterior belly of the digastricus.
Above by the lower border of the body of the mandible and a line drawn from its angle to the mastoid process.
This paired triangle contains some very important structures such as the common carotid artery internal carotid.
Suprahyoid muscles digastric ant and post belly mylohyoid geniohyoid and stylohyoid.
Submandibular triangle is bordered by the mandible and bellies of the digastric muscle.
Muscles nerves blood vessels glands.
The carotid triangle of the neck has the following boundaries.
The carotid triangle the submental triangle and the submandibular triangle.
It lies below the body of the mandible and extends in a curved form from the mastoid.
The digastric triangle is one of the paired triangles in the anterior triangle of the neck.
Muscles digastric muscle stylohyoid geniohyoid mylohyoid hyoglossus middle pharyngeal constrictor nerves mylohyoid nerve cn v.
Below by the posterior belly of the digastricus.
However other muscles that have two separate muscle bellies include the ligament of treitz omohyoid occipitofrontalis.
Superior posterior belly of the digastric muscle.
The digastric muscle also digastricus named digastric as it has two bellies is a small muscle located under the jaw the term digastric muscle refers to this specific muscle.
Infrahyoid muscles omohyoid sternohyoid sternothyroid and thyrohyoid.
It is covered by the integument superficial fascia platysma and deep fascia ramifying in which are branches of the facial nerve and.
A major landmark of the submandibular triangle is the submandibular gland innervated by the facial nerve.
Mastoid process of temporal bone.
The posterior belly of digastric muscle forms the superior border of the carotid triangle.
The digastric muscle divides the anterior triangle of the neck into three smaller divisions.
The digastric muscle is composed of two bellies anterior and posterior connected by an intermediate round tendon.
Lateral medial border of the sternocleidomastoid muscle.
Digastric or submandibular triangle.
