Category: G

Proteins of the sucker disks of Giardia lamblia (also known as G. duodenalis) that help the parasite adhere to the lining of the small intestine.  

A species of Giardia found in humans, transmitted by ingestion of cysts in fecally contaminated water or food. In current usage, the preferred name for G. lamblia is now G. duodenalis. These organisms are found world wide. The most common symptoms of G. duodenalis infection are diarrhea, fever, cramps, anorexia, nausea, weakness, weight loss, abdominal…

A small, sharply defined shadow in radiographs of the lung seen in certain cases of pulmonary tuberculosis. It represents the necrotic, calcified remains of the primary lesion of tuberculosis. The mycobacteria within the lesion may remain viable and be the source of endogenous and generalized reinfection with tuberculosis.  

A body movement that helps to express or conceal thoughts or emphasize speech.  

The duration of a normal pregnancy for a particular species.  

Determination of the prenatal age of the fetus. This information is essential for obstetrical care because it influences the decision to intervene and at what time. The age has been estimated by evaluating the menstrual history, time of initial detection of fetal heart tones, and date the level of the fundus reaches the umbilicus. These…

Something that produces pro-gestational effects. This general term is usually applied to natural or synthetic steroid hormones used to alter reproductive physiology.  

A subspecialty of psychiatry dealing with mental illness in the elderly.  

Treatments (such as antioxidants) designed to slow the aging process.  

An organization established in 1945 for the main purpose of promoting scientific study of aging. Researchers, practitioners, and educators are members. The society publishes The Journal of Gerontology and The Gerontologist.