Worst Sandwiches

Schlotzsky's: Worst Bet
Quiznos
Blimpie
Arby's
Burger King

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What is shingles?

Shingles is a painful skin rash. It is caused by the varicella zoster virus.Shingles usually appears in a band, a strip, or a small area on one side of the face or body. It is also called herpes zoster.

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Polycystic kidney

Gross specimen of a polycystic kidney, where most of the tissue of the kidneys has been replaced by cysts. Polycystic kidney disease is one of the most common causes of chronic kidney failure in adults. It is an inherited condition that may occur at any age. Treatment is of the kidney failure, either with dialysis or transplantation.

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Effect of oxygen supply on tumour growth

Effect of oxygen supply on tumour growth. Top: a small blood supply (tubes) means a low level of oxygen is available and the tumour (round) grows slowly. Middle: as the tumour grows, the lack of sufficient oxygen (hypoxia) induces the growth of new blood vessels. Bottom: These new blood vessels provide the tumour with more oxygen, causing it to grow rapidly.

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Episcleritis

Episcleritis is irritation and inflammation of the episclera, a thin layer of tissue covering the white part (sclera) of the eye. It occurs without an infection.

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