Did you know?
Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.
Did you know?
Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.
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Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
Relationship of the spindle-assembly checkpoint (SAC) with the cell-cycle machinery
Plant Cell (Blank Labels)
meiotic cell division
Blank cell diagram
Colored scanning electron micrograph (SEM) of a helper T cell (green) with HIV viruses (red) budding ...
Spectral karyotype of cell