It is important to emphasize first that the bilateral term that concerns us now has its etymological origin in Latin as evidenced by the fact that it is made up of several Latin elements. Specifically it has been created from the sum of the following parts: the prefix bi- which can be translated as "two", the word latus which is equivalent to both "side" and "broad", and the suffix -to the which is synonymous with "relative to".
is defined as bilateral to what belongs or refers to a pair of sides, parts, sides or aspects of the same thing. In this sense, it is possible to talk about bilateral relations or ties that arise between two nations or entities . For example: "The chancellor promised to reestablish bilateral relations with the neighboring country", "The judge analyzes the bilateral agreement to determine if it is framed within the provisions of the Constitution", “Hungary and Slovenia have signed a bilateral agreement for the exchange of scientific knowledge”.
He bilateral contract , on the other hand, is the one that, according to Right , generates reciprocal obligations between the parties involved . A company that distributes mineral water and another dedicated to providing services Internet they establish a bilateral contract through which the first one commits to deliver 100 liters of mineral water per month and the second one, to provide the connection service. In case one of the two does not comply with the provisions (that is, the first company do not deliver the water or the second does not provide the connection), the bilateral contract will have been violated.
In this sense, we cannot ignore that in Spain there is also what is known as bilateral cooperation commissions. This is the name given to all those relationships that exist between the corresponding autonomous communities and the central government to analyze, develop and take agreements that deal with matters that interest both parties.
These "meetings" have been taking place in that country since the 1980s and some of them have already been clearly specified in the statutes of autonomy. A clear example of this are the communities of Andalusia, Catalonia, Aragon or Castilla y León.
In the field of Health and Medicine, we also have to underline the use of the term we are now analyzing. Specifically, in this sector we talk about what is known as bilateral mammography. This is neither more nor less than the x-ray of a woman's two breasts in order to determine the state of the breast tissue.
For the biology Instead, the idea of bilateral or planar symmetry to describe the conformation of a plane (known under the name of sagittal plane ) which mark on the body a division into equal halves: one left and the other right. If the plane were perpendicular, it is known as frontal plane and divides the organism in the dorsal half and the ventral half.
Humans and most animals have bilateral symmetry , which contributes to the formation of the centralized nervous system and cephalization.