Arthrology & Embryology of the Anterior Thorax Flashcards
What are the joints of the anterior thorax?
Costochondral
Sternochondral or sternocostal
Interchondral
Sternal
What will ribs will participate in the sternocostal or sternochondral joint?
Rib 1 - rib 7
What is the classification of the first sternocostal or sternochondral joint?
Cartilaginous (amphiarthrosis) synchondrosis
What is the classification of the second - seventh sternocostal or sternochondral joint?
Synovial plane (diarthrosis arthrodia)
Which of the sternocostal or sternochondral ligaments is unique to the second sternocostal or sternchondral joint?
Intra-articular ligament
What is the classification of the sixth through the ninth interchondral joints?
Synovial plane (diarthrosis arthrodia)
What is the calssification of the fifth - sixth or ninth - tenth interchondral joint?
Fibrous (amphiarthrosis) syndesmosis
Which costal cartilages fail to form a joint at their sternal end?
Eleventh and twelfth costal cartilages
In the developing sternum, what joint classification is present between the manubrium, corpus and xiphoid process?
Cartilaginous (amphiarthrosis) symohysis
Primary centers of ossification for the sternum first appear at what age?
Fifth fetal month
In what part of the sternum will a secondary center of ossification appear?
Xiphoid process
In what parts of the rib will secondary centers of ossification appear?
Head
Articular surface of the tubercle
Non-articular surface of the tubercle
Which ribs will demonstrate primary centers of ossification for the body (corpus or shaft)?
All ribs; ribs 1-12
Which ribs will demonstrate secondary centers of ossification?
Ribs 1-10
Which ribs lack secondary centers of ossification?
Ribs 11 and 12
