Triangles Of The Neck Flashcards
Subdivisions of the anterior triangle
- Submandibular triangle
- Submental triangle
- Muscular triangle
- Carotid triangle
Subdivisions of the posterior triangle
- Occipital triangle
* Supraclavicular triangle
associated with structures such as the airway and digestive tract, and nerves and vessels that pass between the thorax and head
Ant triangle
associated with the thyroid and parathyroid glands
Ant triangle
Boundaries of the submandibular triangle
- mastoid & mandible above
- anterior belly of digastric anteriorly (abd)
- posterior belly of digastric (pbd)
- stylohyoid posteriorly (sh)
Superfical (roof) structures of the submandibular triangle
- platysma
- facial vein (fv)
- cervical branch of facial nerve (cbf)
What are the structures in the SMD triangle
- external and internal carotid artery
- internal jugular vein
- deep cervical lymph nodes
- vagus nerve
- submandibular gland
- submandibular lymph nodes
- facial artery and vein
- hypoglossal nerve
located between the two anterior digastric muscles (abd)
Submental triangle
Structures found in the SMT triangle
Submental lymph nodes - drains the floor of the mouth
Boundaries of the muscular triangle
- mid line of neck (1)
- superior belly of omohyoid (2)
- sternocleidomastoid (3)
Strap muscles w/n the superficial layer in the muscular triangle
- sternohyoid
* superior belly of omohyoid
Strap muscles w/n the deep layer in the muscular triangle
• thyrohyoid • sternothyroid
Boundaries of the carotid triangle
- posterior belly of digastric muscle
- superior belly of the omohyoid muscle
- anterior border of sternocleidomastoid muscle
Arteries in the carotid triangle
- common carotid
- external carotid
- internal carotid
- superior thyroid
- occipital
- lingual
- facial
Found on the lateral aspect of the neck in direct continuity with the upper limb; it is associated with nerves and vessels that pass into and out of the upper limbs
Post triangle
