Alopecia, Alpha-fetoprotein test, A pha,-adrenergic blockers, port syndrome.

Alopecia:

 Alopecia simply means hair loss (baWness). Ha;-- loss occurs for a great many reasons-from Piling it having it killed off by cancer chemotherapy. Some cause- are considered natural, while others -gnal serious healeb problems. Some conditions are confined to the scalp. Oth-. reflect disease throughout the body. Being plain y visi ’ ‘
skin and its components can provide early signs of elsewhere in the body. Oftentimes, conditions affecting -- £n of the scalp will result in hair loss. The first clue to to
specific cause is the pattern of hair loss, whether it be complete c-aldness (alopecia totalis), patchy bald spots, thinning, or hair confined to certain areas. Also a factor is the condition of the hair and the scalp beneath it. Sometimes only the hair is affected; sometimes the skin is visibly diseased as well.

Alpha-fetoprotein test:

 The alpha-fetoprotein (AFP) test is a flood test that is performed during pregnancy. This screen¬ing test measures the level of AFP in the mother’s blood and indicates the probability that the fetus has one of several seri- : us birth defects. The level of AFP can also be determined by analyzing a sample of amniotic fluid. This screening test can¬not diagnose a specific condition; it only indicates the increase of risk for several birth defects. Outside pregnancy, the AFP test is used to detect liver disease, certain cancerous tumors, ind to monitor the progress of cancer treatment.

A pha,-adrenergic blockers: 

Alphaj-adrenergic blockers are trugs that work by blocking the alpha 1-receptors of vascular ; mooth muscle, thus preventing the uptake of catecholamines : y the smooth muscle cells. This causes vasodilation and al- -ows blood to flow more easily.

port syndrome: 

A hereditary disease of the kidneys that pri¬marily affects men, causing blood in the urine, hearing loss vnd eye problems. Eventually, kidney dialysis or transplant may be necessary. Alport syndrome affects about one in 5,000 Americans, striking men more often and severely than women. There are several varieties of the syndrome, some occurring in :hildhood and others not causing symptoms until men reach tneir 20s or 30s. All varieties of the syndrome are characterized by kidney disease that usually progresses to chronic kidney : allure and by uremia (the presence of excessive amounts of urea and other waste products in the blood).

Atitude sickness: 

Altitude sickness is a general term encom¬passing a spectrum of disorders that occur at higher altitudes. Since the severity of symptoms varies with altitude, it is im¬portant to understand the range of the different altitudes that may be involved. High altitude is defined as height greater man 8,000 feet (2,438 m); medium altitude is defined as height between 5,000 and 8,000 feet (1,524-2,438 m); and extreme altitude is defined as height greater than 19,000 feet (5,791 m The majority of healthy individuals suffer from altitude 5-ckness when they reach very high altitudes. In addition, about 20% of people ascending above 9,000 (2,743 m) feet in c-ne day will develop altitude sickness. Children under six years and women in the premenstrual part of their cycles may be more vulnerable. Individuals with preexisting medical