Webb- Anatomy Flashcards
The major fissures are not normally seen on a frontal radiograph but are often visible on ____
Lateral projection
True or false the major features originate posteriorly above the level of the aortic arch, near the level of the fifth thoracic vertebra and angle anteriorly and inferiorly nearly parallel to the sixth rib
True
____ the superior aspect of the left major fissure is a cephalad to the right in 75% of cases
Posteriorly
The minor fissure is visible in 50 to 80% of the cases appearing as a roughly horizontal line generally at or near the level of the anterior __ rib
Fourth
In the left lateral projection the right ribs being farther from the x-ray film or digital recording plate or relatively magnified by the diverging x-ray view
Big rib sign