Triangles of the neck Flashcards
What are the sub-triangles found within the anterior triangle
Muscular
Sub-mental
Sub-mandibular
Carotid
What are the borders of the muscular triangle
Superior: Hyoid bone
Medial: Midline of the neck
Supero-lateral: Superior belly of omohyoid
Infero-lateral: Inferior sternocleidomastoid
What is the content of the muscular triangle
Infrahyoid muscles
Thyroid glands
Parathyroid glands
What are the borders of the submandibular triangle
Superiorly: Body of mandible
Anterior: Anterior belly of digastric
Posterior: Posterior belly of digastric
What is the content of the submandibular triangles
Submandibular gland Facial artery Facial vein Stylohyoid muscle Hypoglossal nerve Lymph nodes
What are the borders of the submental triangle
Superior: Mandible
Inferior: Hyoid bone
Lateral: Anterior bellies of left and right digastric
What is the content of the submental triangle
Submental lymph nodes
What are the borders of the carotid triangle
Superior: Posterior belly of digastric
Inferiormedially: Superior belly of omohyoid
Inferolaterally: Anterior border of sternocleidomastoid
What is the content of the caroitid triangle
Carotid arteries, hypoglossal nerves, vagus nerve
Which anterior triangles are paired?
Carotid
Submandibular
Muscular
Which anterior triangle is unpaired
Submental
What are the borders of the posterior triangle
Apex: Posteroinferior to mastoid
Base: Midline of 1/3 clavicle
Anterior border: Posterior margin of sternocleiodomastoid
Posterior border: Anterior margin of trapezius muscle
What is the content of the posterior triangle
Splenius capitis Levator scapulae Anterior, middle and posterior scalenes External jugular vein Subclavian vein transverse cervical and suprascapular veins Accessory nerve
