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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.
Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.
Approximately 500,000 babies are born each year in the United States to teenage mothers.
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.