pectus

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Related to pectora: pectoral muscle, pectoral

pectus

 [pek´tus]
pectus carina´tum a malformation of the chest wall in which the sternum is abnormally prominent. Moderate cases cause no difficulties and require no treatment; in severe cases the deformity may interfere with lung and heart action, causing dyspnea on exercise and increased susceptibility to respiratory infections. Serious malformations can usually be corrected by surgery. Called also pigeon breast or chest and chicken breast.
pectus excava´tum a congenital malformation of the chest wall characterized by a funnel-shaped depression with its apex over the lower end of the sternum; it is caused by shortening of the central portion of the diaphragm, which pulls the sternum backward during inhalation, and by the growth of ribs. Except in mild cases, it decreases the ability of the child to engage in sustained exercise. It also delays recovery from coughs and colds, reduces the ability to eat a full meal (so that most patients are underweight), and often produces a functional heart murmur. Noisy breathing may occur during sleep. A child may develop an emotional problem because of embarrassment over the deformity. It can be satisfactorily corrected by surgery. Called also funnel breast or chest and koilosternia.

chest

(chest),
1. The part of the body between the neck and the abdomen, enclosed by the ribs and the sternum.
See also: thorax.
2. Colloquially, the anterior wall of the thorax. Synonym(s): pectus
[A.S. cest, a box]

pectus

/pec·tus/ (pek´tus) pl. pec´tora   [L.] thorax.
pectus carina´tum  pigeon breast or chest; a condition of the chest in which the sternum is prominent, due to obstruction of infantile respiration or to rickets.
pectus excava´tum  funnel breast or chest; a congenital deformity in which the sternum is depressed.

chest

(chest)
The anterior wall of the thorax.
See also: thorax
Synonym(s): pectus [TA] .
[A.S. cest, a box]

pectus

(pek'tus) plural.pectora [L.]
The chest.

pectus carinatum

Pigeon chest.
Enlarge picture
PECTUS EXCAVATUM

pectus excavatum

A congenital condition in which the sternum is abnormally depressed. Synonym: funnel breast; pectus recurvatum See: illustration

pectus recurvatum

Pectus excavatum.

pectus

[L.] breast, chest, thorax.

pectus carinatum
a congential deformity in which the sternum is angled caudoventrally and protrudes; less common than pectus excavatum (below). Called also pigeon breast.
pectus excavatum
a congenital deformity in which the sternum and caudal ribs are concave, reducing the thoracic cavity space. Seen in puppies and kittens.