Beam definition - What it is, Meaning and Concept

The notion of beam has multiple uses.The first meaning of the Spanish Royal Academy ( RAE ) in its dictionary refers to the tied stems, logs, spikes or similar elements .

Following in the context of the botany , it is called do the upper face of a sheet .The beam is usually smoother and brighter than the bird (the lower face).It is also called the beam to the face of a fabric or to the face of any other element that results more valuable to the touch or sight.

For anatomy , a beam is a group of nerve or muscle fibers .These fibers are grouped together parallel, as in the case of the His beam.

His beam is the atrioventricular fascicle , a formation located inside the heart that is composed of a thin cord of a muscular type with an approximate length of 1 centimeter.It is in the conduction system, which serves to make the ventricles perceive the excitation of the atria.

It is possible to distinguish two parts of the bundle of His: an segment inframembranous, which extends along the membranous portion through the perimeter of its lower quadrant; the short segment (or perforating ), whose extension does not exceed 5 millimeters and cuts the fibrous trigone.

The origin of the beam of His is in the Tawara node , also known as atrioventricular node , Aschoff node-Tawara or atrioventricular node .It is a set of cardiac cells located in the right atrium that specialize in forming and conducting the electrical impulses of the heart.

From the Tawara nodule, His's beam passes through the inferior aspect of the interatrial septum.One of the diseases related to this part of the body is known as blockage of branch , precisely because the electrical impulse that should propagate through the organ finds a blockage in the branches of the beam.

There is a "natural pacemaker" in the heart, called a sinus node, a set of cells that are in the right atrium and specialize in sending impulses many times per minute to stimulate the contraction (what we perceive as the "beat").The impulse passes first through the upper cavities and then through the Tawara nodule, which stops it and transfers it to the bundle of His, where blockage can take place..

For the two ventricles to perform the contraction simultaneously, it is necessary that the electrical impulse propagate through the right and left branches at the same speed.If one of them does not work Normally, the impulse must pass through another route.This slows it down and causes one of the ventricles to take a fraction of a second longer than the other to contract.Among the possible causes are cardiomyopathy, valvular diseases and coronary arteries.as.

Beam, on the other hand, is a set of rays or particles that have the same origin.A beam of light, in this sense, is an electromagnetic radiation that starts from a common point.

The geometry , meanwhile, appeals to the idea of ​​beam to refer to the planes that concur in a certain line or to the lines that cross the same point.

It should be noted, finally, that you do is a conjugation of the verb do , corresponding to the imperative form of the second person of the singular.For example: "Do what you want, but don't come to bother me" , "I'll tell you in a simple and direct way: do what I order if you don't want to have problems" , "Son, if you want to get my permission to go to the game, first do the homework and then we'll talk" .