Examlex
In smooth-muscle cells that can produce action potentials,cell membrane depolarization opens voltage-sensitive sodium channels.
Altered State
A condition of consciousness that is significantly different from one's normal waking state, often induced by substances, meditation, or hypnosis.
Consciousness
The quality or state of awareness, being aware of an external object or something within oneself, encompassing thoughts, feelings, and the environment.
Melatonin
A hormone produced by the pineal gland that regulates sleep-wake cycles and is involved in various biological rhythms.
Pineal Gland
The endocrine gland that secretes the hormone that controls the sleep/wakefulness cycle.
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