ribs

costal groove

location of the costal Vein artery nerve (VAN)

Thoracic skeleton

osteocartilaginous

Manubrium

superior joint with clavicles

vertebrochondral ribs 8-10

(false ribs) all attach to rib 7 by an elongated cartilage, no direct connection to sternum

vertebral(floating ribs) ribs 11 and 12

(false ribs, floating ) no sternal attachment, end in muscles of lower lumbar area

tubercle

(on ribs 1-10) forms joint with transverse process of vertebrae

vertebrosternal ribs 1-7

(true ribs) directly attaches to the sternum via its own costal cartilage.

body

inferior to sternal angle

neck

between head:turbercle

head

forms joints with thoracic vertebral bodies: has flattened articular facets

xiphoid process

most inferior section of the sternum