SDF-1
A protein that acts as a chemokine. SDF-1 is the only known ligand for CXCR4. SDF-1 stands for stromal-derived factor 1. The SDF1 gene is on chromosome 10q11.1.
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An intensely itchy rash due to contact with the tiny thimble jellyfish (Linuche unguiculata). These jellyfish are common between March and August in the waters off of Florida and in the Gulf of Mexico and the Caribbean Sea. There may be no adult jellyfish around as a warning. The jellyfish larvae look like mere specks […]
- Seabather's itch
An intensely itchy rash due to contact with the tiny thimble jellyfish (Linuche unguiculata). These jellyfish are common between March and August in the waters off of Florida and in the Gulf of Mexico and the Caribbean Sea. There may be no adult jellyfish around as a warning. The jellyfish larvae look like mere specks […]
- Seasonal affective disorder (SAD)
Seasonal affective disorder (SAD), a form of depression that tends to occur as the days grow shorter in the fall and winter. It is believed that affected persons react adversely to the decreasing amount of light and the colder temperature as autumn and winter progress. The symptoms of SAD include regularly occurring symptoms of depression […]
- Seat belt
A belt used to hold an individual in their seat. Motor vehicle accidents are the leading cause of death for teenagers in the United States. Over 70% of those killed were not wearing seat belts. Seat belts can help reduce death and injury by up to 60%. Using a shoulder belt without a lap belt […]
- Sebaceous cyst
A sebaceous cyst is a rounded swollen area of the skin formed by an abnormal sac of retained excretion (sebum) from the sebaceous follicles.