what is meant by sickle cell anaemia
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sɪᴄᴋʟᴇ ᴄᴇʟʟ ᴀɴᴇᴍɪᴀ: ᴀ ɢᴇɴᴇᴛɪᴄ ʙʟᴏᴏᴅ ᴅɪsᴇᴀsᴇ ᴅᴜᴇ ᴛᴏ ᴛʜᴇ ᴘʀᴇsᴇɴᴄᴇ ᴏғ ᴀɴ ᴀʙɴᴏʀᴍᴀʟ ғᴏʀᴍ ᴏғ ʜᴇᴍᴏɢʟᴏʙɪɴ, ɴᴀᴍᴇʟʏ ʜᴇᴍᴏɢʟᴏʙɪɴ s. ʜᴇᴍᴏɢʟᴏʙɪɴ ɪs ᴛʜᴇ ᴍᴏʟᴇᴄᴜʟᴇ ɪɴ ʀᴇᴅ ʙʟᴏᴏᴅ ᴄᴇʟʟs ᴛʜᴀᴛ ᴛʀᴀɴsᴘᴏʀᴛs ᴏxʏɢᴇɴ ғʀᴏᴍ ᴛʜᴇ ʟᴜɴɢs ᴛᴏ ᴛʜᴇ ғᴀʀᴛʜᴇsᴛ ᴀʀᴇᴀs ᴏғ ᴛʜᴇ ʙᴏᴅʏ. sɪᴄᴋʟᴇ ᴄᴇʟʟ ᴀɴᴇᴍɪᴀ ᴀғғᴇᴄᴛs ᴍɪʟʟɪᴏɴs ᴏғ ᴘᴇᴏᴘʟᴇ ᴛʜʀᴏᴜɢʜᴏᴜᴛ ᴛʜᴇ ᴡᴏʀʟᴅ.
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A severe hereditary form of anaemia in which a mutated form of haemoglobin disorts the red blood cells into a crescent shape at low oxygen levels. It's commonest among those of African descent.
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