Thorax Anatomy 1
What is the thorax responsible for protecting?
Lungs & Heart
Which part of the sternum is located superiorly and articulates with the clavicle and first rib
Manubrium
How many pairs of ribs articulate with the thoracic spine via the transverse processes?
Twelve
This bone is also known as the "breastbone"
Sternum
What is the most distal part of the sternum, located just above the diaphragm, which can cause the sensation of being "winded" if struck?
Xiphoid process
What are the two ribs that do not articulate with the sternum called?
Floating ribs
How many ribs have their own individual costal cartilage attachment to the sternum?
Seven (True ribs)
This structure lies deep and posterior to the xiphoid process.
What is the diaphragm?
This structure connects the ribs to the sternum, allowing for flexibility in the rib cage.
Costal cartilage
What joint is formed by the medial end of the clavicle as it articulates with the manubrium?
sternoclavicular joint
What three parts make up the sternum?
Manubrium, body, and xiphoid process
This rib specifically articulates with the manubrium
Ribs are numbered similarly to these structures.
This is the posterior articulation point between ribs and the spine.
What is the transverse process of the thoracic vertebrae?
What are two special features/properties of the Manubrium?
Articulates with the clavicle to form the SC-joint and articulates with the 1st Rib to form the first sternocostal joint