
A generic name for plants belonging to the cactus family, a perennial succulent plant that grows in the arid region from tropical to subtropical areas of the Americas, with Mexico being the center of distribution. The stems are massive, columnar, stringy, and so on, and they are succulent. There are generally no leaves except … Read More

Acquired immune deficiency syndrome A person who has been infected with HIV has developed one of 23 complications due to reduced immunity. Even if you are infected with HIV, it does not mean AIDS unless you develop one of these 23 diseases. In other words, HIV is the name of the virus that causes … Read More





























