• Describe the general structure of the neck as composed of vertical columns surrounded by fascial sheets with potential spaces between

the neck’s most superficial deep fascia is known as the investing fascia it surrounds everything and acts as a kind of ‘outer layer’ within the centre there is a vertebral compartment which contains bones, nerves, muscles and the vertebrae. anterior to this there are two vascular compartments shaped as cylinders they are surrounded by carotid sheath and contain internal jugular vagus nerve and

• Describe the concept of the anterior and the posterior triangles of the neck, and their boundaries

anterior border of neck boundaries include…

superior B = inferior angle of manubrium

Lateral B = anterior border of SCM (Sternocleidomastoid muscle)

Median B = mid line

posterior border of neck boundaries include…

middle 3rd of clavical

posterior border of SCM

anterior border of trapezius

• Describe the form and position of the the common and internal carotid arteries and the internal jugular vein

the common right carotid artery comes out from the brachiocephalic trunk and the left common carotid it is the 2nd branch of the aortic arch.

the internal jugular it is in the neurovascular bundle of the neck which is surrounded by the carotid sheath

(the NVB) contains the vagus nerve, internal jugular and …