DDS YR1 Anatomy: Anterior Triangle of the Neck

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What are the muscles called that are in the same plane as the body wall musculature and have a flat shape?

Pyramid muscles

Round muscles

Strap muscles (correct)

Spherical muscles

Which triangle of the neck is bounded by the anterior belly of the digastric muscle and the body of the mandible?

Digastric triangle

Hyoid triangle

Carotid triangle

Submental triangle (correct)

What does the digastric triangle contain?

Sternohyoid and sternothyroid

Superior and inferior belly of omohyoid

Internal jugular vein and thyrohyoid

Facial and submental vessels (correct)

Which nerve is part of the contents found in the submental triangle of the neck?

Mylohyoid nerve Signup and view all the answers

What is the boundary of the carotid triangle in the neck?

Sternocleidomastoid and posterior belly of digastric muscles Signup and view all the answers

What structures are found within the carotid triangle in the neck?

Internal jugular vein and vagus nerve Signup and view all the answers

Which artery arises from the brachiocephalic artery on the right side?

Common carotid artery Signup and view all the answers

Where does the common carotid artery divide into the external and internal carotid arteries?

At the lower border of the thyroid cartilage Signup and view all the answers

What serves as a reflex baroreceptor at the bifurcation of the common carotid artery?

Carotid sinus Signup and view all the answers

Where is the carotid body located relative to the bifurcation of the common carotid artery?

Posterior to the bifurcation Signup and view all the answers

Which nerve provides numerous nerve endings to the carotid sinus at the bifurcation?

Glossopharyngeal nerve Signup and view all the answers

What separates the muscular triangle in the neck from the carotid triangle?

Sternocleidomastoid muscle Signup and view all the answers

Which muscle assists the lateral pterygoid in mouth opening?

Digastric muscle Signup and view all the answers

From where does the mylohyoid muscle arise?

Genial tubercle of the mandible Signup and view all the answers

What is the nerve supply of the geniohyoid muscle?

Hypoglossal nerve Signup and view all the answers

Which muscle inserts into the base of the greater horn of the hyoid bone?

Stylohyoid muscle Signup and view all the answers

The posterior belly of the digastric muscle is supplied by which nerve?

Facial nerve Signup and view all the answers

What action does the geniohyoid muscle perform?

Elevate the hyoid Signup and view all the answers

What is the nerve supply for the Sternohyoid muscle?

Branch from ansa cervicalis Signup and view all the answers

Which muscle forms a shallow gutter, facilitating the elevation of the tongue and hyoid bone during swallowing?

Mylohyoid Signup and view all the answers

Where does the inferior belly of the Omohyoid muscle pass to be inserted?

Transverse scapular ligament and upper border of the scapula Signup and view all the answers

Which muscle arises from the greater horn of the hyoid and is inserted into the oblique line of the thyroid cartilage?

Thyrohyoid Signup and view all the answers

Which nerve supplies the Thyrohyoid muscle?