Lecture 5.2 Thoracic walls Flashcards
Where does the highest incidents of carcinomas occur for women?
Axillary tail.
Where are breast implants mostly put?
Retromammary space right in front of pec major.
List the blood drainage of the breast.
Lateral: Lateral thoracic vein/artery
Medial: Medial thoracic vein/artery
Lateral lymph: Axilla
Anterior lymph: Intercostal
Which are the atypical ribs?
1,2,11,12.
List 3 differences between rib 1 and a typical rib.
Rib 1 is short, very curved, almost horizontal. Contains subclavian grooves and scalene muscle tubercle. Also only has ONE articular facet.
What ligament reinforces costovertebral joints?
Radiate ligaments.
True or false? Costotransverse joints are so strong, the rib will break before they dislocate.
True.
List the attachments of the diaphragm.
Attaches to xiphoid process, inferior aspect of costal margins. It has an arcuate ligament posterior, ends in a left and right crus, joining to L1/2 and L3/4 respectively.
Of the 3 main hiatus, what is special about the aortic one?
It does not actually go through the diaphragm.
Where are the ICM deficient?
External: Anteromedially.
Internal: Posteriorly.
Innermost: Discontinuous.
In the costal groove, from most to least protected, lie what structures?
Vein, artery nerve.
True or false? During inspiration, top 7 ribs push sternum forward, in a-p dimension.
True.
