Category: E

Infiltration of the lung by eosinophils, typically found in patients with peripheral eosinophilia. The cause is usually unknown; occasionally, the condition responds to the administration of corticosteroids. In some cases, a specific underlying cause is found, such as the recent initiation of cigarette smoking or an allergic drug reaction. Infection with some parasites or fungi…

Pneumonia following embolization of a pulmonary blood vessel.  

A collection of gas under the scalp, caused by a fracture of the skull that communicates with a paranasal sinus.  

A mass of epithelial cells temporarily plugging an orifice in the embryo, especially the nasal openings.  

One of two plexuses of nerve fibers and ganglion cells that lie in the wall of the alimentary canal. These are the myenteric (Auerbach’s) and submucosal (Meissner’s) plexuses.  

A placenta in which the chorion is next to the lining of the uterus but does not invade or erode the lining.  

A placenta in which the syncytial trophoblasts of the chorion penetrate to the blood vessels of the uterus.  

A pigment produced outside the human body.  

A pigment produced within the human body, as melanin.  

Periodontitis in which, despite mild-to-moderate pocket formation and some bone loss, there is no evidence of abnormal tooth movement.