Anatomy

Definition of myalgia

In order to discover the meaning of the term myalgia, it is necessary, first of all, to know its etymological origin. In this case, we have to state that it is a neologism that was given form by the addition of two lexical components of Greek: -The word “mys”, which can be translated as “muscle” and as […]

Definition of plasma membrane

A membrane is, in the field of biology, a soft tissue that develops like a sheet. Plasma, meanwhile, is defined as that which is linked to plasma (the liquid part of lymph or blood, which presents cells in suspension). The plasma membrane is the lamellar structure that delimits […]

Definition of melanin

Melanin is a pigment that certain cells of vertebrate animals present in the cytoplasm. This substance, which appears in granules, has a blackish tone and gives color to hair, skin and other parts of the body. Melanogenesis is the process of melanin production. This action is carried out […]

Definition of bone marrow

Before entering fully into the meaning of the term bone marrow, we are going to know the etymological origin of the two words that give it shape: -Médula, first of all, derives from Latin, exactly from "medulla." It was used to refer to both the pith and the inner part of the stems and […]

Definition of dislocation

Originating from the Latin word luxatio, the concept of dislocation refers to an injury that involves the displacement of a bone. This dislocation means that the bone structure loses contact with the articular surfaces. The dislocation is caused by a strong blow that causes the bones to separate from the site […]

Definition of low back pain

Before entering fully into the meaning of the term low back pain that concerns us now, we are going to proceed to know its etymological origin. In this case, we have to emphasize that it is a neologism that is the result of the sum of two lexical components of different origins: -The noun "lumbus", which derives from […]

Definition of lordosis

The first thing we are going to do in order to know the meaning of the term lordosis is to discover its etymological origin. In this case, we have to establish that it derives from the Latin “lordosis”. This word is, in turn, derived from Greek, specifically from the sum of two very different lexical components: -The word “lordos”, which means […]

Definition of lobe

The term lobe comes from the scientific Latin lobulus. The first meaning mentioned by the Royal Spanish Academy (RAE) in its dictionary refers to the sectors that stand out on the edge of some element. The earlobe, for example, is the non-cartilaginous fragment found in the lower area. Also called […]

Definition of lysosomes

The etymology of the term lysosome takes us to the English lysosome, in turn derived from a Greek word formed by lýsis (which can be translated as "solution") and sôma (that is, "body"). Lysosomes are cell organelles formed by a membranous vesicle. In this vesicle there are enzymes that are involved in the process of […]

Definition of lymphocytes

Lymphocytes are a class of leukocytes: cells also known as white blood cells, which are responsible for the body's immune response. In the specific case of lymphocytes, they are lymphatic cells produced by the bone marrow and lymphoid tissue. Each lymphocyte has a large, spherical-shaped nucleus that is […]