Anatomy #2 Flashcards
What does the thorax consist of?
12 Thoracic Vertebrae (and their IVDs) 12 Pairs of ribs the sternum -manubrium -body -xiphoid process
Where do all the ribs articulate with posteriorly?
Vertebral column
What are sternabrae?
Sternabrae are the four plates of the sternum.
Begin fusing from teens to about 25
What is the most superior portion of the sternum?
Manubrium
What is located between the articular facets of clavicular notch where the manubrium attaches to the clavicle?
Jugular notch
What is the land mark for the second rib?
Sternal Angle
What is the joint called that connects the manubrium to the rest of the sternum and what is it’s aka?
manubriosternal joint (sternal angle) AKA Angle of Louis
What articulates along the side of the body of the sternum?
Costal notches for the articulation with costal cartilage
What is the thin process inferior to the body of the sternum?
Xiphoid
At what age does the xiphoid fuse with the rest of the sternum and what is it like at birth?
40
Cartilagenous at birth
What is the aka for the body of the sternum?
Gladiolus
Which ribs are known as true ribs?
The first 7 ribs are know as true ribs
Which ribs are known as the false ribs?
Ribs 8-12
Which ribs have a direct connection the sternum?
The true ribs or first 7
Which ribs are known as the floating ribs?
11 and 12