L1: Deep cervical fascia

Question 1

what are the 4 layers of the deep cervical fascia ?

Answer 1

• investing layer
• pre-tracheal layer
• pre-vertebral layer
• carotid sheath

Question 2

what binds the thyroid gland to the larynx ?

Answer 2

ligament of berry in the pre tracheal deep cervical fascia , it prevents the thyroid gland from slipping into the thorax and also causes the thyroid to move up and down with deglutition

Question 3

what structures are present inside the carotid sheath ?

Answer 3

common carotid artery
internal carotid artery
internal jugular vein
vagus nerve

Question 4

what is the retropharyngeal space?

Answer 4

largest and most important inter-fascial space in the neck : between buccophayrngeal fascia anteriorly and alar fasia posteriorly

Question 5

why is the danger space considered dangerous ?

Answer 5

because it extends down to t12 and diaphragm