metabolic gas

Gases released by the body as a result of metabolism, the step-wise breakdown or creation of complex organic constituents in the body. The process results in the liberation of energy used by the body and its processes. Carbon dioxide is an example of a metabolic gas….

metabolic system

Governs the chemical and physical changes that take place within the body that enable its continued growth and function. Metabolism involves the breakdown of complex organic constituents of the body in order to liberate energy for all the bodily processes and the building up of complex substances, which form the material of the tissues and organs….

metabolic labelling

The process in which bacterial cells are grown in the presence of radiolabelled precursors of macromolecule synthesis (DNA, protein, fatty acids and peptidoglycan). Blocks to radiolabel incorporation can identify a mutant defect or the cellular target of an antimicrobial compound….

List of Biology Words Starting with M

…ic cleavage merogones merozygote mesenchyme meso- meso- mesomere messenger cascade messenger RNA meta- metabolic metabolic gas metabolic labelling metabolic system metabolite metacentric chromosome metafemale metagenomic metagenomics metal metallic bond Metallothionein metaloid metamale metamere metamorphosis metaphase metaphase plate metaphysis metaplasia metastasis methane Methionine method development methylat…

Phosphorus (P)

An element required for bone growth and metabolic energy. Stored in teeth and bones, mainly in combination with calcium, phosphorus blood levels are affected by parathyroid, blood, and bone diseases….


This product of glycolysis is used and synthesized by many metabolic pathways. In energy generation, it can be either converted to lactate under anaerobic conditions, or broken down to water and carbon dioxide in the presence of oxygen, generating large amounts of ATP….

phenylketonuria (pku)

A human metabolic disease caused by a mutation in a gene coding for a phenylalanine processing enzyme (phenylalanine hydroxylase), which leads to accumulation of phenylalanine and mental retardation if not treated; inherited as an autosomal recessive phenotype….


MTHFR (methylenetetrahydrofolate reductase) is a metabolic enzyme that is involved in the conversion of homocysteine to methionine. If there is not enough MTHFR activity, plasma homocysteine levels may rise, which in turn increases the risk of cerebrovascular, peripheral vascular, and coronary heart disease, as well as up to a ten-fold increase in the risk for venous thrombosis. Additionally, people with high levels of homocysteine in conjunctio…


Gland at the base of the neck that produces hormones which control the metabolic rate (how much energy the body uses) and level of calcium in the blood….