Osteology of Anterior Thorax Flashcards
What vertebral levels correspond tot he position of the manubrium sterni?
T2-T4
What separates the manubrium sterni and corpus sterni?
Manubriosternal symphysis
What vertebral levels correspond to the position of the corpus sterni?
T5-T9
How many sternabrae for the corpus sterni?
4 sternabrae
What articular sites for the costal cartilage of ribs will be identified on the corpus sterni?
Costal notches II-VII
What feature of the corpus sterni is present in 4-7% of the population?
Sternal foramen
What causes the appearance of the sternal foramen?
Failure of the ossification centers of the sternum to fuse together normally
Will the xiphoid process remain cartilage throughout life?
No
What attaches to the scalene tubercle of the first rib?
Anterior scalene muscle
Which groove on the body of the first rib is close to the vertebral end?
Groove for the subclavian artery
Groove for the 1st thoracic nerve
Which groove on the body of the first rib is close to the sternal end?
Groove for the subclavian vein
What specifically will attach to the crest of the neck of the second rib?
Superior costotransverse ligament from the transverse process of T1
What specifically attaches to the back of the neck of the second rib?
Inferior costotransverse ligament from the transverse process of T2
What unique feature is present on the body of the second rib?
Tuberosity for the serratus anterior
What are the types of classifications of ribs 3-7 in a typical adult skeleton?
Typical ribs
True ribs
Costa verae
Vertebrosternal ribs
