The noun CLIQUE has 1 sense: 1  1. an exclusive circle of people with a common purpose. 2  Meaning: 3  An exclusive circle of people with a common purpose. 4  Classified under: 5  Nouns denoting groupings of people or objects. 6  Synonyms: 7  clique; coterie; ingroup; inner circle; camp; pack. 8  Hypernyms (clique is a kind of...): band; circle; lot; set (an unofficial association of people or groups) Hyponyms (each of the following is a kind of clique):
Progesterone is a hormone released by the ovaries. Changing progesterone levels can contribute to abnormal menstrual periods and menopausal symptoms. Progesterone is also necessary for implantation of the fertilized egg in the uterus and for maintaining pregnancy.
Nicotine and Neurotransmitter Release. Stimulation of nicotinic cholinergic receptors releases a variety of neurotransmitters in the brain. One of them, dopamine, signals a pleasurable experience and is critical for the reinforcing effects (effects that promote self-administration)of nicotine and other drugs of abuse.