Dural sac
Dural sac: The membranous sac that encases the spinal cord within the bony structure of the vertebral column. Dural refers to the dura, the name of the membrane around the spinal cord (and brain, too).
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Dursban: An organophosphate insecticide that has adverse neurological effects. Known alternatively as chlorpyrifos. Dursban causes weakness, vomiting, diarrhea and other ill effects in children. It can also cause blurred vision and memory loss. Anyone can be exposed when the chemical is applied in a backyard or a building and through residue on fruits or other […]
- Dust mite
Dust mite: A tiny microscopic organism that is the primary cause of allergies related to house dust. The term “dust mite allergy” is a misnomer because it is the fecal excretion of these mites to which people are allergic. Dust mites can therefore trigger allergic reactions even when dead.
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DSM-IV: Diagnostic and Statistical Manual of Mental Disorders, fourth edition, the official source on definitions related to mental illness.