Anatomy

Definition of cell nucleus

The cell nucleus is the portion of eukaryotic cells that houses most of the genetic material. This genetic material is arranged in deoxyribonucleic acid molecules that form complexes with multiple types of proteins and, in turn, make up the chromosomes. It should be noted that nucleus, from the Latin nucleus, is a […]

Definition of posterior

Posterior, from the Latin posterior, is an adjective that refers to something that is or remains behind. The term can also be used to name what happens after a certain moment. For example: “The drawing shows the back of the human body”, “He went to the room that was in the back area of ​​the […]

Definition of galls

Gall is a term derived from the Latin word galla, which has multiple uses. It can refer to the round growth that forms on certain trees and bushes after the bite of some insects and infections caused by microorganisms. For example: “On the trunk of this oak, we can see the galls that reveal […]

Definition of muscle tone

Muscle tone is the permanent state of partial, passive and continuous contraction of the muscles. It is the resting state of the muscles that helps maintain the body posture appropriate for each movement. It should be noted that tone is a term with origins in the Latin tonus that has several meanings. It can refer to the […]

Definition of complexion

The complexion is the skin that covers the human body, although the term is often used to refer to the skin of the face. Its care falls under the responsibility of cosmetics, a discipline that combines knowledge of medicine, biology and chemistry to preserve and beautify the skin and hair. For example: “It is […]

Definition of right-handed

Right-handed is a term originating from the Latin word dexter and is used, as an adjective, to refer to someone who is right-handed (that is, someone who has a natural tendency to use the right side of their body). A person who usually uses their right hand or right leg is therefore right-handed. […]

Definition of tooth

A tooth is a hard object found in the jaws of humans and many animals that is used for chewing food or, in the case of certain animals, for defense. The exposed, visible part of the teeth is known as the crown and is protected by dental enamel. The crown is the […]

Definition of white blood cells

White blood cells are blood cells that are responsible for carrying out the immune response, acting in the body’s defense against antigens and foreign substances. Also called leukocytes, they form the set of formed elements of blood together with red blood cells and platelets. From the Latin globulus, blood cell is a small body […]

Definition of red blood cells

Red blood cells are red, globose cells. Together with white blood cells and platelets, they make up the group of formed elements of blood. It can be said that red blood cells – also known as erythrocytes or red blood cells – are the most numerous component of the formed elements. Before moving forward with the definition, it is important to […]

Definition of hemorrhage

A hemorrhage is a flow of blood that is generated from the rupture of blood vessels. The term comes from the Latin haemorragĭa, which in turn has its origin in a Greek word that is made up of two clearly differentiated parts: the term haima, which can be translated as “blood,” and the element haema, which means “blood.”