• an adjective related to the rib
  Rib
  In vertebrate anatomy, ribs are the long curved bones which form the rib cage. In most vertebrates, ribs surround the chest, enabling the lungs to expand and thus facilitate breathing by expanding the chest cavity. They serve to protect the lungs, heart, and other internal organs of the thorax...
  
   (Costa in Latin) in anatomy
  • Costal cartilage, a type of cartilage forming bars which serve to prolong the ribs forward
  • Costal facet (disambiguation)
  • Costal margin
    Costal margin
    The costal margin, sometimes referred to as the costal arch, is the medial margin formed by the false ribs and one true rib -- specifically, from the seventh rib to the tenth rib....
    
    , the medial margin formed by the false ribs
  • Costal surface (disambiguation)
  • Costal groove
    Costal groove
    The Costal groove is a groove between the ridge of the internal surface of the rib and the inferior border. It contains the intercostal vessels and intercostal nerve....
    
    , a groove between the ridge of the internal surface of the rib

• Costal vein, a type of insect wing segment in the Comstock-Needham system

See also

• Costa (disambiguation)
• Coastal
• Intercostal (disambiguation)