Tubectomy is a method of sterilization in which

In tubectomy, a small part of the fallopian tube is removed or tied up through a small incision in the abdomen or through vagina. In vasectomy, a small part of the vas deferens is removed or tied up through a small incision on the scrotum. Surgical removal of one or both ovaries is ovariectomy.  A hysterectomy is the surgical removal of the uterus.