Category: P

Meningitis due to Streptococcus pneumoniae, a disease predominantly found in adults. In the U.S., about 20% of affected patients die. Because of the worldwide emergence of streptococcal resistance to penicillins, chloramphenicol, and cephalosporins, vancomycin, rifampin, and other antibacterial agents are used to treat this infection. Intravenous steroids (e.g., dexamethasone) given at the beginning of therapy…

The lining membrane of an abscess cavity separating it from healthy tissue.  

The granular lining of an abscess or fistula.  

The transparent membrane closing the fetal pupil. If it persists after birth, it is known as persistent pupillary membrane.  

A membrane resembling a serous membrane but differing in structure as the endothelium.  

The membrane of the placenta that separates the maternal blood from fetal blood.  

The lining of the pharynx. The mucosa of the nasopharynx is pseudostratified ciliated epithelium; the mucosa of the oropharynx and laryngopharynx is stratified squamous epithelium.  

An old term used to describe the periodontal ligament.  

The lining of the mouth on the hard and soft palates. The hard palate has heavily keratinized epithelium and copious mucous glands or fat in the submucosa. The mobile soft palate contains muscle in addition to mucous glands, and is much less keratinized on the surface.  

Melancholia accompanied by extraordinary fearfulness.