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Platycnemididae are a family of damselfly called white-legged damselflies.
Colostomy. Alternate versions of colostomy are illustrated, each of which creates one or more new op
Earth’s history is divided into nested sets of time--eons, eras, periods, and epochs--and is called
The world has been horrified recently at a U.S. Congress so polarized and paralyzed that it cannot p
The nucleus is bounded by a double membrane called the nuclear envelope
A lesion called a plaque in the brain of an individual with Alzheimer disease. A ring of degeneratin