The anterior wall of the chest or thorax; the breast. See also thorax.pectus [NA] , phthinoid (2); [A.S. cest, a box]
alar c. flat c
barrel c. a c. permanently resembling the shape of a barrel, i.e., with increased anteroposterior diameter, roughly equaling the lateral diameter; usually with some degree of kyphosis; seen in cases of emphysema.
flail c. flapping chest wall;loss of stability of thoracic cage following fracture of sternum, ribs, or both.
flat c. a c. in which the anteroposterior diameter is shorter than the average.alar c., pterygoid c;
foveated c. , funnel c. pectus excavatum
keeled c. pectus carinatum
phthinoid c. a long narrow c., the lower ribs being more oblique than usual and sometimes reaching almost to the crest of the ilium, with the scapulae projecting backward, the manubrium sterni depressed, and Louis' angle sharper than normal; such a c. was once considered indicative of pulmonary tuberculosis.
pigeon c. pectus carinatum
pterygoid c. flat c
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