erythrocyte
Meaning
a red blood cell, which contains the pigment hemoglobin and transports oxygen and carbon dioxide to and from the tissues.
Structure
Usage
a low erythrocyte count can be a sign of anemia.
the primary function of an erythrocyte is to carry oxygen from the lungs to the body's tissues.
under the microscope, erythrocytes appear as biconcave discs without a nucleus.
Etymology
the term erythrocyte is a modern scientific compound, directly assembled from greek roots to precisely describe its function. the first element, 'erythro-', derives from the ancient greek word for red, a direct reference to the cell's distinctive color imparted by its hemoglobin content. the second element, '-cyte', originates from the greek 'kytos', which originally meant a container or vessel, evolving in biological terminology to mean a basic structural unit of life. thus, the word's construction follows a perfectly logical, descriptive path: it is literally a "red cell," a name that transparently conveys its appearance and biological category.
Analysis
- erythro: from greek 'erythros', meaning red. it functions as a combining form denoting redness. - cyte: from greek 'kytos', meaning a hollow vessel or cell. it functions as a combining form denoting a cell.