Anatomy

Definition of ear

Ear is the name given to the organ whose function is to allow a person or animal to hear. It is usually divided into the inner, middle and outer ear in order to facilitate its analysis. The ear contains various nerves, membranes and cells that enable the perception of sounds and that also […]

Definition of occlusion

Occlusion is a term that has its origin in the Latin word occlusio and refers to the process and result of occluding. This verb, for its part, is used in the field of medicine to name the closure that occurs in a pathway or an open space by means of […]

Definition of doll

Doll is a concept that has two main uses. On the one hand, it refers to the region of a person’s body where the arm is linked to the hand. On the other hand, a doll is a toy that imitates the appearance of a woman. Before moving forward, it is important to mention that […]

Definition of trunk

Trunk is a word that comes from the Latin truncus and can refer to something mutilated or cut off (i.e., truncated). The most common use of the term refers to the most important structure of trees, which is responsible for supporting the branches and other components of the plant. For example: “The trunk of a tree is a […]

Definition of trophoblast

Trophoblast is a term that refers to the set of cells that make up the outer layer of the blastocyst (a stage of embryogenesis, that is, the growth of the embryo) and which is part of what will later become the placenta. The trophoblast, which begins to form in the early stages of pregnancy, is responsible for […]

Definition of pustule

A pustule is a swelling that occurs on the skin due to the accumulation of pus. The Latin word pustula gave rise to this term frequently used in the field of medicine. Pustules are part of what is known as primary efflorescence, which includes various alterations that occur in the skin.

Definition of lung

The lung is the most important organ in the process that allows humans and animals that subsist on the earth's surface (i.e., in a non-aquatic environment) to breathe. The etymological origin of the term is found in Latin, since it derives from the word pulmo. However, it is not necessary to […]

Definition of perfusion

Knowing the etymological origin of the word perfusion leads us to conclude that it comes from Latin. Specifically, we can determine that it is the result of the sum of several Latin components: • The prefix per-, which is equivalent to “completely”. • The verb fundere, which is synonymous with “to melt or pour”. • The suffix […]

Definition of swallowing

Swallowing is a term with origins in the Latin deglutĭo, which refers to the action and consequences of swallowing. This verb refers to the passage of food or other substances through the mouth to reach the stomach. For example: «Grandpa has swallowing problems», «Since I received that hard blow to […]

Definition of throat

The throat is a certain region of the neck or the interior space that is located between the palate and the entrance to the esophagus and larynx. The concept, by extension, is used to name the narrowest portion of something. For example: «My throat hurts, I think I'm going to eat a candy […]