Examlex
What is the term used to describe the small fat fragments produced by the fermenting action of bacteria on soluble fibres?
Delta Waves
High amplitude brain waves of a frequency between 1-4 hertz, typically associated with deep sleep.
Stage 3 Sleep
A deep sleep phase within the sleep cycle characterized by delta brain waves, important for physical recovery and growth.
Stage 4 Sleep
Stage 4 sleep, also known as deep sleep, is a period of sleep characterized by slow brain waves, reduced muscle activity, and limited responsiveness, playing a key role in restorative sleep.
Sleep Spindles
Short bursts of brain activity detectable by an EEG that occur during stage 2 of sleep, associated with learning, memory, and brain development.
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