Arthrology of the Anterior Thorax Flashcards
What is the classification of the first sternocostal or sternochondral joint?
cartilaginous (amphiarthrosis) synchondrosis
What is the classification of the second thru seventh sternocostal or sternochondral joint?
synovial plane (diarthrosis arthrodia)
Which of the sternocostal or sternochondral ligaments is unique to the second sternocostal or sternochondral joint?
the intra-articular ligament
What is the classification of the sixth through ninth interchondral joint?
synovial plane (diarthrosis arthrodia)
What is the classification of the fifth-sixth or ninth-tenth interchondral joint?
fibrous (amphiarthrosis) syndesmosis
Which costal cartilages fail to form a joint at their sternal end?
the eleventh and twelfth costal cartilages
How many primary centers of ossification appear in the manubrium?
1-3 centers have been identified
How many primary centers of ossification appear in the corpus stern?
typically 6
In what part of the sternum will a secondary center of ossification appear?
the xiphoid process
In what part of the rib will primary centers of ossification appear?
the body (corpus, shaft)
In what parts of the the rib will secondary centers of ossification appear?
the head, articular surface of the tubercle and the non-articular surface of the tubercle
Which ribs will demonstrate secondary centers of ossification?
ribs 1-10
Which ribs lack secondary centers of ossification?
ribs 11 and 12
Which ribs demonstrate three secondary ossification centers?
ribs 2-9
Which ribs have only two secondary centers of ossification?
ribs 1 and 10
