Clavicle Medial vs. Lateral i The sternal end (medial) has a bulbous(quadrangular) shape with a large facet forarticulation with the sternum ii The acromial end (lateral) has a flattened shapewith a small oval facet which articulates with the medial aspect of the acromion process on the scapula Clavicle Anterior vs. Posterior (i) The anteriorly facing convex portion is oriented medially (ii) The anteriorly facing concave portion is oriented laterally Clavicle Superior vs. Inferior In general the superior surface is smootherwhereas the inferior surface is roughened True (vertebrocostal) ribs a Attach directly to the sternum through their own costal cartilages b Ribs 1 through 7 False (vertebrochondral) ribs a Attach indirectly to the sternum b Their costal cartilage is joined to the costal cartilageof the rib that is directly superior c Ribs 8 through 10 floating (free, vertebral) ribs a Have rudimentary costal cartilage that terminates inthe musculature of the posterior abdomen b Ribs 11 and 12 3 main parts of the rib Head, neck, tubercle Pertaining to the rib, The ______ end is continuous with the costalcartilage anterior Pertaining to the rib, the _______ margin tends to be rounded and smooth superior Pertaining to the rib, the _________ margin tends to be sharp inferior The head of the rib has two articular _____ separated by a _______ facets, crest The smaller facet on the head of a rib is the _______ facet superior The larger facet on the head of a rib is the _______ facet inferior The tubercle on the rib has a facet that articulates with the _______ _______ of the associated vertebra transverse process The rough section of the tubercle on a rib is where _______ attach ligaments You have __ cervical vertebrae 7 You have ___ thoracic vertebrae 12 You have __ lumbar vertebrae 5 You have __ sacral vertebrae 5 You have __ coccygeal vertbrae 4 A typical vertebrae has two main parts: vertebral body and vertebral arch The vertebral body serves primarily to bear _____ weight Vertebral bodies are connected by these: intervertebral disks and ligaments The size of the vertebral body increases ______ to accomodate higher weight inferiorly vertebral foramen are formed by ______ _______ vertebral arch The posterior vertebral foramen all together form the ______ _______ vertebral canal The vertebral arch of each vertebrae consist of two _____ and two _____ pedicles and laminae