Sickle-cell disease

Sickle-cells in human blood: both normal red blood cells and sickle-shaped cells are present.

Normal blood cells next to a sickle-blood cell, colored scanning electron microscope image

Sickle-cell disease (SCD), also known as sickle-cell anaemia (SCA), is a group of genetically passed down blood disorders. It results in an abnormality in the oxygen-carrying protein haemoglobin found in red blood cells. This leads to a rigid, sickle-like shape under certain circumstances. Problems in sickle cell disease typically begin around 5 to 6 months of age. A number of health problems may develop, such as attacks of pain ("sickle-cell crisis"), anemia, bacterial infections, and stroke. Long term pain may develop as people get older. The average life expectancy in the developed world is 50 years.

单词	Sickledex
释义	Sickledex 英语百科 Sickle-cell disease Sickle-cell disease (SCD), also known as sickle-cell anaemia (SCA), is a group of genetically passed down blood disorders. It results in an abnormality in the oxygen-carrying protein haemoglobin found in red blood cells. This leads to a rigid, sickle-like shape under certain circumstances. Problems in sickle cell disease typically begin around 5 to 6 months of age. A number of health problems may develop, such as attacks of pain ("sickle-cell crisis"), anemia, bacterial infections, and stroke. Long term pain may develop as people get older. The average life expectancy in the developed world is 50 years.
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Sickledex

Sickle-cell disease