Pernicious anemia

Pernicious anemia: It is a serious type of anemia, usually in older age, characterized by the inability of the body to absorb vitamin B₁₂.

Neural

Neural: Relating to nerves.

Myelogenous

Myelogenous: Initiating from bone marrow.

Myelin

Myelin: It is a material composed of proteins and fats and is whitish in colour.

Mutase

Mutase: An enzyme involved in changing the arrangement of the certain molecules in a substance especially causing the movement of phosphate group from one atom of carbon to another.

Methylmalonyl-CoA

Methylmalonyl-CoA: Methylmalonyl-CoA has four atoms of carbon and is formed by the addition of carbon dioxide to propionyl coenzyme-A.

Methionine

Methionine: Sulfur containing nutritionally important amino acid.