Parathyroid, Trachea and Mediastinum Flashcards
The vertebral border of the superior mediastinum
T1 to T4
Name the 3 divisions of the inferior mediastinum
Anterior, Middle, Posterior
Name the contents of the middle mediastinum
Pericardium, heart and roots of great vessels, phrenic nerves, bifurcation of trachea
Cite the contents of the posterior mediastinum
descending throracic aorta, esophagus, thoracic duct, azygous, hemiazygous, vagus, splanchnic, sympathetic plexus
What is the length of the trachea?
5 inches
What is the arterial supply of the trachea?
Upper 2/3 - Inferior thyroid artery
Lower 1/3 - bronchial artery
What is the innervation of the trachea?
Vagus and RLN
In doing a cricothyroidectomy, the tube is inserted between ___
cricoid and thyroid cartilage
In doing a tracheotomy, the opening is done ___
- Between 1st and 2nd tracheal ring
2. 2nd through 4th tracheal ring
[Parathyroid gland]
Which has a more constant position?
Superior parathyroid
[Parathyroid gland]
What cell produces the parathyroid hormone?
Chief cell
Oxyphil cell is located in ___
parathyroid gland
___ cells produce calcitonin
parafollicular (C) cell
__ cells produce T3/T4
Follicular cell
__ chief cell in the stomach produce
pepsinogen