Manubri-Um, What?
The process during which the thoracic cavity expands.
What is inspiration?
This structure functions as an expandable, bellows-like chamber during breathing and protects the lungs, heart, and great vessels.
What is the bony thorax?
The widest and most superior portion of the sternum.
What is the manubrium?
The first seven pairs of ribs.
What are the true ribs?
The palpable notch located between the clavicles.
What is the jugular (suprasternal, manubrial) notch?
The only bony connection between the shoulder girdle and the thorax.
What is the sternoclavicular joint?
The three divisions of the sternum.
What are the manubrium, body, and xiphoid process?
The average length of the adult sternum.
What is 6 to 7 inches (15 to 18 cm)?
The sternum body begins fusing during this stage of life.
What is puberty (early teens)?
Ribs 8 through 12.
What are the false ribs?
The jugular notch corresponds to these vertebral levels.
What are T2-T3?
The classification of the second through seventh sternocostal joints.
What are synovial joints?
This type of bone tissue makes the sternum a common site for marrow biopsy.
What is vascular cancellous (spongy) bone?
By this age, the xiphoid process is typically completely ossified.
What is approximately 40 years of age?
The posterior end of a rib that articulates with the body of thoracic vertebrae.
What is the head?
Ribs 11 and 12.
What are floating ribs?
The sternal angle is found at this vertebral level.
What is the T4-T5?
The name of the articulations between the costal cartilage and rib found on ribs 1-10.
What are costochondral joints (unions)?
The elevated structure lateral to the rib neck that articulates with a transverse process.
What is the tubercle?
The point where the rib curves anteriorly and inferiorly.
What is the angle of the rib?
The depressed area along the inferior internal margin of each rib.
What is the costal groove?
The structure that directly connects true ribs to the sternum.
What is costal cartilage?
The xiphoid process corresponds to these vertebral levels.
What are T9-T10?
The two posterior rib joints that allow gliding motion between ribs and vertebrae.
What are the costotransverse and costovertebral joints?
The structures protected by the costal groove.
What are an artery, vein, and nerve?
The rib pair that is generally the longest.
What is the seventh rib pair?
The rib cage reaches its greatest width at these ribs.
What are the eighth and ninth ribs?
Ribs 8 through 10 connect to the sternum through the costal cartilage of this rib.
What is the seventh rib?
The inferior costal margin corresponds to these vertebral levels.
What are L2-L3?
The classification and mobility type of the first sternocostal joint.
What is a cartilaginous synchondrosis and synarthrodial (immoveable)?
This part of the rib contains articular facets and articulates with one or two vertebral bodies.
What is the head of the rib?
The anterior end of this rib can be located by finding the sternal angle first.
What is the second rib?
These ribs should be counted on a radiograph to accurately determine rib number above or below the diaphragm.
What are the posterior ribs?
The shortest, broadest, and most vertical ribs.
What are the first ribs?
The palpable prominence formed by the manubrium and body of the sternum.
What is the sternal angle?
The classification, mobility type, and movement of the sternoclavicular joint.
What is synovial, diarthrodial, and plane (gliding) motion?