Applied Anatomy Quiz Wk8 Flashcards
What is the mediastinum?
The anatomical space behind the manubrium
What is the anterior boundary of the mediastinum?
Sternum
What facts are true of the sternum?
- it is a flat bone
- it can play an important clinical role in harvesting of bone marrow
- it has a body
- it attaches to ribs 1 to 7
- some people are born with or develop a deformity of this bone
What is the superior boundary of the inferior mediastinum?
An imaginary line joining the manubriosternal joint and T4/5 intervertebral disc
What things are found in the superior mediastinum?
The vagus nerves
Phrenic nerves
Left recurrent laryngeal nerves
Thoracic duct
T/F: the mediastinum is divisible into superior and inferior mediastina
True
How is the mediastinum divisible?
Divided into superior and inferior mediastina by an imaginary line joint the manubriosternal joint (anteriorly) to T4/5 intervertebral disc
T/F: the superior mediastinum lies behind manubrium sterni
True
T/F: lateral boundary of the superior mediastinum is created by the parietal pleura?
False - boundary is mediastinal phase of parietal pleura
T/F: the superior mediastinum in children is occupied by a secondary lymphoid organ
True
T/F: in the superior mediastinum, the pericardium is loosely bound to the manubrium by fibrous tissue
True
T/F: the inferior mediastinum is divisible into anterior and posterior mediastina
True - divisible into 3 sections: above + posterior inferior
T/F: contents of the middle inferior mediastinum includes the arch of the azygos vein
True
T/F: the posterior inferior mediastinum lies behind the sternum
False. Lies behind pericardium
