Anatomy

Definition of sinus rhythm

Sinus rhythm is a term used in medicine to refer to the heartbeat that is considered normal. It is a reference value that can be measured by an electrocardiogram and is linked to age and other factors. It should be noted that the order that allows the organization of the rhythm is […]

Definition of rhinoplasty

Rhinoplasty is a surgical procedure performed to correct certain defects in the nose. It is one of the most common cosmetic surgeries. When the operation is aimed at resolving functional issues, it is called septoplasty. There are certain interventions that combine both aspects (aesthetic and functional) […]

Definition of rhinopharyngitis

Rhinopharyngitis is the name given to the disease known as the common cold. The concept is associated with the rhinopharynx or nasopharynx, which is the area of ​​the pharynx that is next to the nasal passages and above the soft palate. Rhinopharyngitis is a disease caused by the action of a virus […]

Definition of rhinorrhea

Rhinorrhea is a concept that is not part of the dictionary of the Royal Spanish Academy (RAE). The concept is used in the field of medicine to name the discharge of fluids through the nasal passages, caused by an increase in mucus secretions. Rhinorrhea can occur for different reasons. One of them is […]

Definition of rhinitis

Rhinitis is a term used in medicine to refer to swelling of the mucous membrane in the nasal passages. This inflammation can have different causes. When rhinitis is caused by the action of allergenic substances, we speak of allergic rhinitis. In this case, the membranes of the nasal passages are […]

Definition of retina

The retina is a membrane located inside the eye that is responsible for receiving images and, through the optic nerve, sending them to the brain. Composed of different cellular layers, the retina is a type of tissue that is sensitive to light and generates various processes until it transmits a message to the eye.

Definition of renal

Renal is a term in our language that comes from the Latin word renālis, formed from the sum of two clearly differentiated parts: the noun ren – renis, which is synonymous with “kidney”, and the suffix -al, which is used to indicate “relative to”. The concept refers to what is linked to the […]

Definition of regurgitation

Regurgitation is the process and result of regurgitating. This verb refers to expelling through the mouth different substances that were lodged in the stomach or esophagus, without the need to vomit or make an effort. In humans, regurgitation is normal in babies. This is due to the fact that […]

Definition of lap

In order to determine the meaning of the term lap, the first thing is to know its etymological origin. This means that we discover that it derives from Latin, specifically from the vulgar verb recaptiare, which means “to take” and is made up of two different parts: -The prefix re-, which is used to indicate repetition. -The verb captiare, which is […]

Definition of spine

Rachis is a concept that comes from Greek and, in the field of anatomy, is used as a synonym for spinal column. The spine, in this sense, is the structure formed by bones, cartilage and fibers that is found in the middle line of vertebrates. In the case of humans, the spine is the […]