Examlex
What type of lipid is used in the production of hormones such as estrogen and testosterone?
Sleep-Inducing Hormone
Melatonin, a hormone produced by the pineal gland that regulates sleep and wakefulness.
Melatonin
A chemical substance secreted by the pineal gland in reaction to lack of light, which controls the rhythm of sleeping and waking.
Serotonin
A neurotransmitter in the brain that plays key roles in stabilizing mood, feelings of well-being, and happiness.
Norepinephrine
A neurotransmitter and hormone involved in the body's stress response and in various cognitive and emotional functions.
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