Definition of sternal rib in US English:

sternal rib


  • another term for true rib
    • ‘The sternal ribs may be removed and the neck skin shall be excluded.’
    • ‘However, recently described bird-like dromaeosaurs, for instance Sinornithosaurus, do indeed possess several sternal ribs and sternocostal joints as well.’
    • ‘Elements recovered in the rib cage area consists of sternebrae, sternal ribs, costal ribs, one thoracic vertebrae and the two shoulder blades.’
    • ‘Besides the heart, cartilagenous sternal ribs and plates attached to the ribs, and possible tendons attached to vertebrae were also preserved.’
    • ‘The interclavicular air sac pneumatizes the sternum, sternal ribs, coracoid, clavicle, scapula, and forelimb.’
    • ‘The distal end of the sternal plate is indented probably for the attachment of the cartilaginous sternal ribs as in Alamosaurus.’
    • ‘But they are always vertebral ribs, no Amphibian being known to possess more than rudiments of sternal ribs.’
    • ‘Among vertebrates, birds and dinosaurs have stiff ‘boxes’ for rib cages: Some dinosaurs (carnosaurs and sauropods included) had sternal ribs for added structural stiffening.’
    • ‘The dorsal ribs articulate with ends of sternal ribs which attach to the sternum.’
    • ‘Interestingly, in Troodonts at least, the sternal ribs articulate with each other and slide against each other to form a sort of intermobile ‘web’ of bones.’
    • ‘It attaches to the sternal ribs ventrally and expands the chest to aid in respiration.’
    • ‘During expiration, the sternum moves backward and upward, and the vertebral ribs move caudally to retract the sternal ribs and reduce the volume of the thoracoabdominal cavity.’
    • ‘There are many dorsal ribs preserved and smaller elements that could be uncinate processes or sternal ribs.’