Triangles of the neck Flashcards
Borders of submental triangle
Digastric ant, hyoid bone, mandibular synthesis
Contents of submental triangle
Submental lymph nodes, tributaries forming the anterior jugular vein
Borders of the submandibular triangle
Mandible, posterior belly of digastric, anterior belly of digastric
Contents of the submandibular triangle
Submandibular gland, submandibular lymph nodes, hypoglossal n, mylohyoid n, facial artery and vein
Borders of carotid triangle
SCM, post digastric, sup omohyoid
Contents of carotid triangle
Facial artery and vein, common carotid artery (external and internal), lingual a, occipital a, internal jugular vein, vagus n, hypoglossal n, accessory n, ansa cervicalis, transverse cervical nerve
Borders of muscular triangle
Midline of neck, sup omohyoid, SCM
Contents of muscular triangle
Sternohyoid, Sternothyroid, thyrohyoid, omohyoid, thyroid and parathyroid glands, pharynx
Borders, roof, floor of the posterior triangle
Trapezius, SCM, clavicle, investing layer of cervical fascia, prevertebral layer of cervical fascia (splenius capitis, leviator scapula, scalene ant, post, middle)
Contents of the posterior triangle
External jugular vein, subclavian artery, subscapular vein, transverse cervical artery, transverse cervical n, accessory nerve, lesser occipital n, greater auricular n, cervical plexus(C1-C4)