The Soviet Union duplicated its dual-launch feat with Vostok 5 and Vostok 6 (June 16, 1963). This time they launched the first woman (also the first civilian), Valentina Tereshkova, into space on Vostok 6. Launching a woman was reportedly Korolev's idea, and it was accomplished purely for propaganda value.
Lumen: A luminous term referring to the channel within a tube such as a blood vessel or to the cavity within a hollow organ such as the intestine. Lumen is a luminous term because it is Latin for light, including the light that comes through a window. When a hollow organ is cut across, you can see light through the space that has been opened. So the word lumen came to mean this space.
The vagina and vulva. Some of a womanâs sexual organs are inside the body (such as the womb, ovaries and vagina) and some are outside. The external organs are known as the vulva. This includes the opening of the vagina, the inner and outer lips (labia) and the clitoris, which is located at the top of the vagina.The vagina is a tube about 8cm (3in) long, which leads from the cervix (the neck of the womb) down to the vulva, where it opens between the legs.ome of a womanâs sexual organs are inside the body (such as the womb, ovaries and vagina) and some are outside. The external organs are known as the vulva. This includes the opening of the vagina, the inner and outer lips (labia) and the clitoris, which is located at the top of the vagina.