Greek/ Latin Root: μακρός (makros)
Meaning: Big/ Large
Examples of Root Words Starting with “Macro”
- Macrophage (Phage = Eat)
The word is derived from Greek, “makro” (meaning: large) and “phagein” (meaning: eat). A macrophage is a large, specialized cell of the immune system. These cells have the ability to recognize, engulf and destroy foreign pathogens.
A macromolecule is a large complex molecule that consists of thousands of atoms. In biology, there are four major macromolecules important for life – they are carbohydrates, lipids, proteins and nucleic acids.
- Macrocephaly (Cepha = Head)
Macrocephaly is a condition where an individual possess an overly large head. Clinically, it is defined as the circumference of the head more than two standard deviations above the mean value for a given gender and age group. It is usually a symptom of other underlying conditions.
- Macrocytic (Cyte= Cell)
Macrocytic is a term used to denote an abnormally large cell. The term is often used to describe blood cells; for example – macrocytic anaemia.
A macronucleus is a large type of nucleus usually found in organisms such as Paramecium. This cell organelle usually controls all the functions of the cell excluding reproduction.
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