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Thoracic
Gross Anatomy 2 - Thoracic
Question | Answer |
---|---|
Thoracic Cage | comprised of vertebrae, ribs, costal cartilages & sternum |
Cartilagenous components | allow flexibility |
true ribs | 1-7; attach directly to sternum |
false ribs | 8-10; attach to sternum via cartilage of other ribs |
floating ribs | 11-12; no anterior attachment |
typical rib features | crest of head, dual articular facets(vertebral bodies), head, neck, tubercle(articular), angle, body, costal groove, cup for costal cartilage |
Atypical ribs | 1,2,10-12 |
rib 1 | grooves for subclavian vessels; scalene tubercle |
ribs 1,10-12 | singluar costovertebral articulations |
ribs 11-12 | no necks or tubercles |