Category: E

A misnomer for the barrel-shaped appearance of the chest in emphysema. The thorax is short and round, the anteroposterior diameter is often as long as the transverse diameter, the ribs are horizontal, and the angle formed by divergence of the costal margin from the sternum is obtuse or obliterated.  

Surgical removal of the fetus, placenta, and membranes through an incision into the lowest portion of the anterior aspect of the uterus. This approach does not entail entering the peritoneal cavity.  

The part of the respiratory center in the medulla that promotes a forced exhalation.  

The ossification center of the temporal bone, forming the upper and posterior part of the auditory capsule.  

A rash marked by firm, swollen, itchy patches that appear suddenly. The patches may be oval or circular, violet or red, and are associated with abnormally high blood eosinophil levels. The cause is unknown.  

An electronic instrument used to count blood cells, employing either an electrical resistance or an optical gating technique.  

Tubular epithelial cells in the urine, a finding in some cases of glomerulonephritis.  

A malignant, aggressive germ cell tumor that may metastasize widely. It can occur in young adults of either sex.  

One of two grooves running transversely across the lateral mass of the ethmoid bone to the cribriform plate and lying between the ethmoid and frontal bones. The anterior ethmoidal canal transmits the anterior ethmoidal vessels and the nasociliary nerve; the posterior ethmoidal canal transmits the posterior ethmoidal vessels and nerve.  

Surgical revascularization for peripheral vascular disease of the limbs, using a prosthetic graft (e.g., axillofemorally or femorofemorally) to divert blood to a site distal to an arterial obstruction.