Liminal
In neurolgy, at the threshold of perception to a sensory stimulus. In other words, just barely perceptible to the senses.
“Liminal” comes from the Latin noun “limen” meaning “threshold.” It makes sense, then, that “liminal” applies to the idea of a sensory threshold. “Subliminal” is below that threshold at which an effect is produced.
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An organochlorine pesticide and nerve poison. Also a suspected carcinogen (cancer-causing agent). Although many countries have banned lindane, it is still used in the US for treating head lice and scabies. Also known as gamma-hexachlorocyclohexane (HCH). The US Food and Drug Administration (FDA) in 2003 announced stronger warnings and a medication guide to be distributed […]
- Lindau-von Hippel syndrome
See Von Hippel-Lindau syndrome.
- Line, central
the cuffed or tunnelled line and the reservoir long line that ends in a rubber bulb or reservoir. The possible complications of a central line include air in the chest (pneumothorax) due to a punctured lung, bleeding in the chest (hemothorax), fluid in the chest (hydrothorax), ble4eding into or under the skin (hematoma) and infection. […]
- Line, central venous
the cuffed or tunnelled line and the reservoir long line that ends in a rubber bulb or reservoir. The possible complications of a central venous line include air in the chest (pneumothorax) due to a punctured lung, bleeding in the chest (hemothorax), fluid in the chest (hydrothorax), ble4eding into or under the skin (hematoma) and […]
- Line, germ
A sequence of cells, each descended from earlier cells in the lineage, which will develop into new sperm and egg cells for the next generation.