Eurotas (river) is one of the major rivers of Laconia.
Vaginal photoplethysmography -LRB- VPG , VPP -RRB- , photoplethysmography applied to the vagina , is a measurement of vaginal vasocongestion .. photoplethysmography. photoplethysmogram. vagina. vagina. vasocongestion. vasocongestion. A vaginal photoplethysmograph is a clear acrylic , menstrual tampon-shaped device that contains a light source , and a light detector .. menstrual tampon. tampon. The light source illuminates the capillary bed of the vaginal wall and the blood circulating within it .. capillary bed. capillary bed. As the amount of blood in the vaginal tissue increases , more light is reflected into the photosensitive cell of the device .. VPG is the most common way to assess vaginal blood flow and is widely used to measure genital sexual arousal in women .. sexual arousal. sexual arousal. However , debate has arisen as to how reliable the technique is .. Some analysts have posited potential benefits in the usage of VPP in an attempt to assess female sex offenders and female paraphiliacs .