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Comprehensive
Dictionary Suite
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carina in biology, a thin ridgelike structure, such as the projecting part of a bird's breastbone.
clavicle either of two bones joining the breastbone and the shoulder blades; collarbone.
collarbone either of two bones joining the breastbone and the shoulder blades; clavicle.
coracoid a bone that extends from shoulder blade to breastbone in reptiles and birds, but that is only a rudimentary bony process in mammals. [1/2 definitions]
false rib any of the lower five pairs of ribs that are not attached to the breastbone. (Cf. true rib.)
floating rib any rib, such as the two lower pairs in humans, that is not attached to other ribs or the breastbone.
pigeon breast a deformity of the human chest occurring as a result of certain diseases, such as rickets, that is characterized by a sharply protruding breastbone.
ratite of birds, having a flat, ridgeless breastbone. [2 definitions]
sternum the flat bone to which most of the ribs are attached in the front of the chest in most vertebrates; breastbone.
wishbone a forked bone found in front of the breastbone of most birds, formed by the fusion of the clavicles, and sometimes used, when taken from a cooked fowl, to make wishes over.