Glossary index

Technology, science and the universe

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Life sciences

Mediastinitis

Mediastinitis is an inflammation of the mediastinum, the central compartment of the thoracic cavity located between the lungs. This condition can be caused by various reasons, including infections…

Life sciences

Mediastinoscopia

Mediastinoscopy is a minimally invasive surgical procedure that allows for the examination of the mediastinum, the area of the chest located between the lungs. This procedure is performed through a…

Life sciences

Medical Imaging Device

A medical imaging device is a specialized piece of equipment used to capture images of the human body for the purpose of facilitating the diagnosis and treatment of various medical conditions. These…

Life sciences

Medical Monitoring

Medical monitoring is the practice of observing and recording a patient's health status and vital signs. This activity is fundamental in the healthcare field, as it allows medical professionals to…

Life sciences

MediPay

MediPay is a payment processing service specifically designed for the healthcare industry. Its main goal is to facilitate financial transactions between healthcare providers and patients, offering a…

Life sciences

Melanoma

**Description:** Melanoma is a type of skin cancer that develops from melanocytes, the cells responsible for pigment production in the skin. This type of cancer is considered one of the most…

Life sciences

Meningitis

Meningitis is an inflammation of the protective membranes covering the brain and spinal cord, known as meninges. This condition can be caused by viral, bacterial, or fungal infections, as well as…

Life sciences

Metabolic Pathway

A metabolic pathway is a series of chemical reactions that occur within a cell, where an initial substance is transformed into a final product through a sequence of intermediate steps. These…

Life sciences

Metabolism

Metabolism is the set of chemical reactions that occur in living organisms to sustain life. These reactions are essential for converting food into energy, allowing cells to perform vital functions…

Life sciences

Metabolomics

Metabolomics is the study of metabolites in a biological system, which are small molecules resulting from metabolic processes. This field of science focuses on the identification and quantification…

Life sciences

Metagenome

Metagenomics refers to the total set of genetic material recovered from environmental samples, encompassing the genetic diversity of microorganisms present in a specific environment. Unlike…

Life sciences

Metagenomics

Metagenomics is the study of genetic material recovered directly from environmental samples, allowing for the analysis of the genetic diversity of microbial communities without the need to cultivate…

Life sciences

Metaphase

Metaphase is a crucial stage in the cell division process, specifically in mitosis and meiosis. During this phase, chromosomes that have been duplicated and condensed align at the equatorial plane of…

Life sciences

Metapopulation

Metapopulation is a concept in population biology that refers to a set of populations of the same species that are geographically separated but interact with each other through the dispersal of…

Life sciences

Methanol

Methanol, also known as methyl alcohol, is a chemical compound that belongs to the alcohol family. Its chemical formula is CH3OH, indicating that it consists of a hydroxyl group (-OH) attached to a…

Life sciences

Methylation

Methylation is a fundamental biochemical process that involves the addition of a methyl group (-CH3) to the DNA molecule, specifically to cytosines within the DNA sequence. This process is crucial…

Life sciences

Metrorrhagia

Metrorrhagia is defined as abnormal uterine bleeding that occurs outside the regular menstrual cycle. This type of bleeding can present in various forms, such as intermenstrual bleeding, postcoital…

Life sciences

Miasma

The term 'miasma' refers to an unhealthy or unpleasant atmosphere, often associated with the presence of diseases. Historically, it was believed that miasmas were harmful vapors emanating from…

Life sciences

Miasmic

The term 'miasmatic' refers to something that is related to or similar to a miasma, which has historically been understood as a harmful emanation or vapor believed to cause diseases. In the…

Life sciences

Miastenia Gravis

Myasthenia gravis is a chronic autoimmune neuromuscular disease characterized by weakness and fatigue of skeletal muscles. This condition occurs when the immune system attacks acetylcholine receptors…

Life sciences

Microarray

A microarray is a laboratory tool used to detect the expression of thousands of genes simultaneously. It consists of a solid surface, typically a glass or silicon chip, that contains a series of DNA…

Life sciences

Microbiome

The microbiome refers to the collection of microorganisms, including bacteria, viruses, fungi, and protozoa, that inhabit a particular environment, such as the human gut. This microbial ecosystem is…

Hardware, electronics and robotics

Microchip Implant

The microchip implant is a small electronic device that is inserted into the human body, typically under the skin, for the purpose of facilitating identification or health monitoring. These…

Life sciences

Migraine

**Description:** Migraine is a type of headache characterized by severe pain, often accompanied by nausea and sensitivity to light. This neurological disorder typically presents in recurrent episodes…