Slugs live on land and in saltwater, and one genus, Acochlidium, lives in freshwater. The unadorned word slug, however, is applied primarily to land slugs, whereas slugs from the sea or from fresh water are usually referred to as  sea slugs  or freshwater slugs.f the six orders of Pulmonata, two â the Onchidiacea and Soleolifera â solely comprise slugs. A third family, the Sigmurethra, contains various clades of snails, semi-slugs (i.e. snails whose shells are too small for them to retract fully into) and slugs.
Vulva is the external parts of the female genitalia. The external opening to a woman's vagina or reproductive track is an example of the vulva. vulva. pl. vulva.
Vulva. Click the image for a larger view. First, you will see your vulva â all the external organs you can see outside your body. The vulva includes the mons pubis (Latin for âpubic moundâ), labia majora (outer lips), labia minora (inner lips), clitoris, and the external openings of the urethra and vagina. People often confuse the vulva with the vagina.