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Costal may refer to: * an adjective related to the
rib In vertebrate anatomy, ribs ( la, costae) are the long curved bones which form the rib cage, part of the axial skeleton. In most tetrapods, ribs surround the chest, enabling the lungs to expand and thus facilitate breathing by expanding the ch ...
() in anatomy **
Costal cartilage The costal cartilages are bars of hyaline cartilage that serve to prolong the ribs forward and contribute to the elasticity of the walls of the thorax. Costal cartilage is only found at the anterior ends of the ribs, providing medial extension. ...
, a type of cartilage forming bars which serve to prolong the ribs forward **
Costal margin The costal margin, also known as the costal arch, is the lower edge of the chest (thorax) formed by the bottom edge of the rib cage. Structure The costal margin is the medial margin formed by the cartilages of the seventh to tenth ribs. It attac ...
, the medial margin formed by the false ribs **
Costal surface (disambiguation) Costal surface (referring to the side near the ribs) may refer to: * Costal surface of lung * Costal surface of scapula The scapula (plural scapulae or scapulas), also known as the shoulder blade, is the bone that connects the humerus (upper arm ...
**
Costal groove The rib cage, as an enclosure that comprises the ribs, vertebral column and sternum in the thorax of most vertebrates, protects vital organs such as the heart, lungs and great vessels. The sternum, together known as the thoracic cage, is a se ...
, a groove between the ridge of the internal surface of the rib *
Costal vein Costal may refer to: * an adjective related to the rib () in anatomy ** Costal cartilage, a type of cartilage forming bars which serve to prolong the ribs forward ** Costal margin, the medial margin formed by the false ribs ** Costal surface (disa ...
, a type of insect wing segment in the
Comstock–Needham system The Comstock–Needham system is a naming system for insect wing veins, devised by John Comstock and George Needham in 1898. It was an important step in showing the homology of all insect wings. This system was based on Needham's ''pretracheatio ...


See also

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Costa (disambiguation) Costa may refer to: Biology * Rib (Latin: ''costa''), in vertebrate anatomy * Costa (botany), the central strand of a plant leaf or thallus * Costa (coral), a stony rib, part of the skeleton of a coral * Costa (entomology), the leading edge of ...
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Costas (disambiguation) Kostas or Costas ( el, Κώστας) is a Greek given name and surname. As a given name it is the hypocorism for Konstantinos ( Constantine). Given name * Costas Andreou, Greek musician * Kostas Antetokounmpo (born 1997), a Greek basketball p ...
*
Coastal The coast, also known as the coastline or seashore, is defined as the area where land meets the ocean, or as a line that forms the boundary between the land and the coastline. The Earth has around of coastline. Coasts are important zones in n ...
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Intercostal (disambiguation) Intercostal means "between the ribs". It can refer to: * Intercostal muscle * Highest intercostal vein * Intercostal arteries The intercostal arteries are a group of arteries that supply the area between the ribs ("costae"), called the inte ...
{{Disambiguation