Respiratory Anatomy Flashcards
Where is the horizontal fissure of the right lung located?
Level of rib 4
Where are the oblique fissures of the left and right lung located anteriorly?
At the level of rib 6
Where are the oblique fissures of the left and right lung located posteriorly?
They can rise to the level of T3
Where does the larynx become the trachea?
At the level of C6 vertebrae
What vessel does the anterior intercostal arteries drain into?
Into the internal thoracic artery
What vessel does the posterior intercostal arteries drain into?
Into the thoracic aorta
What vessel does the anterior intercostal veins drain into?
Into the internal thoracic veins
What vessel does the posterior intercostal veins drain into?
Into the azygous vein
What type of muscle is the diaphragm
Skeletal
From superior to inferior in what order are the contents of the intercostal neurovascular bundles?
Intercoastal vein, artery then nerve (VAN)
What structure passes through the diaphragm at the level of T8 vertebrae?
IVC
What structure passes through the diaphragm at the level of T10 vertebrae?
Oesophagus
What structure passes through the diaphragm at the level of T12 vertebrae?
Aorta (Aortic hiatus)
What type of spinal nerve does the phrenic nerve come from?
Anterior rami
What level vertebrate does the anterior rami that the phrenic nerve is made up of come from?
C3,4,5
What nerve supplies the serratus anterior?
The long thoracic nerve
What does paralysis of the long thoracic nerve cause?
Winged scapula
If a group of 3 blood vessels on either side of the sternum are seen what is it?
Internal thoracic artery and a pair of veins
What is the most inferior part of the pleural cavity?
Costodiaphragmatic recess
What is the most inferior part of the costodiaphragmatic recess?
Costophrenic angle
What does fluid build up in the costodiaphragmatic recess result in?
“Blunting of angles” and a fluid level seen on CXR
What is the “tongue” of the superior lob of the left lung called?
Lingula
At what level does trachea bifurcate?
At level of sternal angle around T4/5
Where do the inguinal ligaments attach between?
ASIS and pubic tubercle
What is the deep inguinal ring’s relationship with the inguinal ligament?
It is the midpoint of the inguinal ligament
Where do indirect inguinal hernia protrude from?
Deep inguinal ring and superficial inguinal ring
Where will a direct inguinal hernia pass through?
Hesselbach’s triangle
