The most common type of outpouching in the esophagus, due to increased pressure causing the mucous membrane of the esophagus to herniate through a defect in the wall of esophagus. Zenker diverticuli are usually located in the posterior hypopharyngeal wall. Small Zenker diverticuli may not cause symptoms but larger ones may collect food and obstruct the esophagus.
One of the three major preparations of red yeast rice, a tradition Chinese medicine now used to lower cholesterol.
Stands for zygote intrafallopian transfer, a method used to treat infertility in which an egg fertilized in vitro (outside the body) is placed into a woman’s fallopian tube. This technique is one used to overcome infertility, the inability of couples to produce offspring on their own. The egg and the male sperm needed to fertilize […]
A mineral that is essential to the body and is a constituent of many enzymes that permit chemical reactions to proceed at normal rates. Zinc is involved in the manufacture of protein (protein synthesis) and in cell division. Zinc is also a constituent of insulin, and it is involved with the sense of smell. Food […]
- Zinc deficiency
According to the National Academy of Sciences, the Recommended Dietary Allowance of zinc is 8 milligrams per day for women age 19+ years and 11 milligrams per day for men age 19+ years. Food sources of zinc include meat including liver, eggs, seafood, nuts and cereal. Deficiency of zinc is associated with short stature, anemia, […]
- Zinc deficiency dermatitis and diarrhea
Among the consequences of zinc deficiency, dermatitis (skin inflammation) and diarrhea are particularly prominent features. A genetic disease called acrodermatitis enteropathica in which there is impaired zinc uptake from the intestine is, in fact, characterized by the simultaneous presence of dermatitis (skin inflammation) and diarrhea. The skin on the cheeks, elbows and knees and the […]