Glossary index

Technology, science and the universe

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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…

Life sciences

Mimicry

Mimicry is a fascinating biological phenomenon where one organism resembles another organism or object, allowing it to gain advantages in its environment. This phenomenon is observed not only in…

Life sciences

Mimosa

Mimosa is a genus of flowering plants belonging to the Fabaceae family, known for its sensitive leaves and beautiful flowers. The leaves of Mimosa species are notably reactive; when touched, they…

Life sciences

Mineral biosensor

A mineral biosensor is a device that measures the concentration of minerals in a sample, using biological principles to detect and quantify the presence of these elements. These biosensors combine…

Life sciences

Mint tea

Mint tea is a hybrid infusion that combines mint leaves, known for their refreshing flavor and aromatic properties, with other ingredients that can vary according to the recipe. This tea not only…

Life sciences

Mistletoe

Mistletoe is a semi-parasitic plant that grows on trees, especially in species like apple, oak, and pine. Its appearance is distinctive, with evergreen, oval leaves of a deep green, and its white…

Life sciences

Mite

Mites are small arachnids belonging to the class Arachnida, characterized by their tiny size, typically ranging from 0.1 to 1 mm. These organisms are extremely diverse and can be found in a wide…

Life sciences

Mitochondria

Mitochondria are essential cellular organelles that play a crucial role in energy production in eukaryotic cells. Known as the 'powerhouses' of the cell, their primary function is to carry out…

Life sciences

Mitochondrial DNA

Mitochondrial DNA (mtDNA) is the genetic material found in mitochondria, the organelles responsible for energy production in cells. Unlike nuclear DNA, which is located in the cell nucleus and…

Life sciences

Mobile Biometrics

Mobile biometrics refers to the use of biometric data, such as fingerprints, facial recognition, iris patterns, and voice recognition, on mobile devices to authenticate a user's identity. This…

Life sciences

Mobile Health Monitoring

Mobile health monitoring refers to the use of artificial intelligence (AI) applications on mobile devices to track and analyze users' health data. These applications enable individuals to maintain a…

Life sciences

Molars

Molars are a type of tooth located at the back of the mouth, found in both humans and many animals. Their primary function is to grind and crush food, which is especially important in the diet of…

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