Category: L

A condition in which the central part of the front surface of the lens of the eye (or sometimes the back) has a much steeper curvature than normal and bulges forward in a blunted cone. It is usually congenital. Conical protrusion of the anterior or posterior surface of the lens. An uncommon, typically innate medical…

A disease, characterized by muscular weakness and paralysis, found among people whose staple diet consists mostly of large quantites of Lathyrus sativus, a kind of chick pea, and/or vetches and pulses related it. Except in mild cases complete recovery does not occur, despite administration of an adequate diet and physiotherapy. A neurotoxic disorder caused by…

The pause of a few milliseconds between the time that a nerve impulse reaches a muscle fiber and the time that the fiber starts to contract. The time between stimulation and the resulting response. The duration between the occurrence of infection and the manifestation of symptoms of the corresponding ailment can be referred to as…

Often applied to tissue infiltrated with the starch-like substance amyloid.  

A method of detecting excess globulins in the protein of the cerebrospinal fluid. It is useful in the diagnosis of neurosyphilis and multiple sclerosis.  

A classification of the Streptococcus bacteria based on the presence or absence of antigenic  carbohydrate on the cell surface. Species are classified into the groups A-P. Most species causing disease in man belong to group A.  

A drug similar to digitalis, used in the treatment of heart failure. It is administered by mouth or injection. High doses may cause loss of appetite, nausea, vomiting, headache, disturbed vision, and abnormal heart activity.  

The physical or chemical treatment of blood to abolish the structure of the red cells and thus form a homogeneous solution. Laking is an important preliminary step in the analysis of hemoglobin or enzymes present in red cells.  

The closed end of the spiral cochlea. This term is more commonly used to describe the structure homologous to the cochlea in primitive vertebrates.  

A dislocated tooth that is usually caused by a direct blow to the mouth. When a permanent tooth has been dislocated, a dentist should be contacted immediately. The tooth may be reimplanted if it has been properly preserved. Storing the tooth in milk or saline, placing it under the tongue, or in the mouth between…