Anatomy

Definition of auricle

Atrium is a term that can be used in different fields. In the field of anatomy, the atrium is the cavity that exists in the heart, where the blood arrives from the blood vessels. Before moving forward with the meaning of the term, it is important to know its etymological origin. In this case, we can say that […]

Definition of hearing

Hearing is the act and ability to hear or listen: to capture sounds through the ear. The concept comes from auditio, a word from the Latin language. For example: «Workers in the construction industry often suffer hearing problems due to noise», «The girl managed to recover her hearing thanks to […]

Definition of atrophy

Atrophy is the absence of development of a structure or body part. The concept comes from the Latin atrophia, which in turn comes from the Greek atrophia. In the field of biology, atrophy is defined as a decrease in the number and/or size of the tissues that make up an organ, which becomes smaller and smaller.

Definition of joint

Articulation, from the Latin word articulatio, is the act and result of articulating: the union or combination of different elements that grants a certain freedom to each one. A joint, in this framework, can be the link that is established between two pieces and that enables the movement of both. In the field of articulation, […]

Definition of appendix

The Latin term appendix came to our language as appendix. The concept has several uses: according to the first meaning included in the dictionary prepared by the Royal Spanish Academy (RAE), an appendix is ​​something that is added or attached to something else, as an accessory or complement. For example: «In the […]

Definition of blister

A blister is an inflammation that occurs in a sector of the epidermis when fluids accumulate, according to the first meaning of the term mentioned by the dictionary of the Royal Spanish Academy (RAE). The concept, derived from the Latin word ampulla, has several uses. A blister is a skin lesion that is […]

Definition of alveoli

Alveoli, a term that can also be pronounced with the accent alveolo, are small cells, boxes, cavities or holes. The most common use of the notion is in the field of anatomy and biology. The pulmonary alveoli are the small terminal pits of the bronchioles. In them the exchange of oxygen takes place.

Definition of breath

Breath is a notion that has several uses. The first meaning mentioned by the Royal Spanish Academy (RAE) in its dictionary refers to the air that is exhaled. For example: «I ran so much that I was out of breath», «What have you eaten? You have bad breath», «The French runner managed to complete the marathon with his last breath». For example: «I ran so much that I was out of breath», «What have you eaten? You have bad breath», «The French runner managed to complete the marathon with his last breath».

Definition of wings

Wings are the limbs that certain animals have to take flight and remain suspended in the air. There are species with wings, however, that are not capable of flying due to some of their morphological characteristics. In insects, wings usually emerge from the thorax. There are species that have wings that extend from the thorax. […]

Definition of afferent

The adjective afferent has its etymological origin in the Latin word affĕrens. In the broadest sense, this adjective is applied to that which moves or carries something. The notion is usually used in the field of biology and anatomy. An afferent is a formation whose function is to transmit substances or energy from […]