The staff is an object or part of the body in the shape of an elongated or cane, this name is applied on different occasions, one of them occurs in the description of an anatomical structure. The penile bone is called a staff, this is a bony rod that is found forming the male sexual apparatus of many animal species, it can be found in insects, rodents, carnivorous mammals, and mostly found in primates, it can also be observed in domestic animalsAs are the dog and the cat, the main function of this bone is to promote the exercise of penetration without the need to have an erection; this bone is absent in human beings and in some animal species such as hyenas, rabbits, among others.
In humans, as they do not have this penile bone, the erection will be exerted by the filling of blood in the internal areas of the penis called the corpus callosum and cavernous bodies. The word staff in the Catholic religion refers to a staff used by bishops at the time of consecration, it is assigned the name of " pastoral staff " or pastoral.
This special distinctive dates back to the 7th century, in most cases it is made of wood, or failing that, iron, bronze, silver or ivory, and these can display small decorative details along the stem; In most cases, the pastoral staff is made up of two intertwined parts that distinguish a different material: the staff of the staff, and the head that in most cases has a spiral shape, this being the most decorative, generally Distinctive shapes are made at the base of the spiral, normally this stem is used at masses or any important ceremony where they make an appearance.
Another type of staff observed is the symbol of medicine the aesculapius, this rod is intertwined with two snakes and has wings in its upper part that give it a heavenly character, the staff represents medicine and the snake therefore represents the disease.
