The GABAergic System in Human Female Genital Organs

It has been recently shown that γ-aminobutyric acid (GABA) and its related enzymes, i.e., glutamate decarboxylase (GAD) and GABAtransaminase (GABA-T), are present in the female genitale tract of various mammals at higher levels than in most other organs, at least in the rat (for reviews see [13, 16, 35, 47, 60, 64]).