Health A-Z

Y Chromosome

Clinical Definition The Y chromosome is a sex chromosome, which determines gender. Typically, each cell in the body has 23 pairs of chromosomes, or a total of 46, with one pair of sex chromosomes.  Males typically have one X and one Y; females typically have two X chromosomes. In Our Own Words The Y chromosome

Yeast Infection

Clinical Definition A localized infection caused by fungi of the genus Candida, especially C. albicans, yeast infections may occur in both men and women and manifest as superficial infections located in moist parts of the body: skin folds, oral mucous membranes, respiratory tract, the vagina. Rarely, more serious systemic infections and endocarditis may be due to Candida. In Our

Yellow Fever

Clinical Definition Yellow fever is a serious, potentially-fatal viral infection transmitted by mosquitoes. Travelers to endemic areas, especially in South America and tropical sub-Saharan Africa, may be candidates for vaccination against yellow fever. If a person is bitten by an infected mosquito, symptoms usually develop within one week. In Our Own Words Yellow fever is

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