Glossary index

Technology, science and the universe

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Life sciences

Murex

Murex is a genus of marine snails belonging to the family Muricidae, known for their ornate and complex shells. These mollusks are primarily found in tropical and subtropical waters and are easily…

Life sciences

Musk

Musk is a strong-smelling substance obtained from the glands of certain animals, especially the musk deer. This compound has been valued throughout history for its distinctive aroma and its ability…

Life sciences

Muskox

The musk ox (Ovibos moschatus) is a large herbivorous mammal native to Arctic regions, known for its impressive and dense fur that provides protection against the extreme climatic conditions of its…

Life sciences

Mycelium

Mycelium is the vegetative part of a fungus, composed of a network of branched hyphae that resemble threads. These hyphae are filamentous structures that extend through the substrate, allowing the…

Life sciences

Mycosis

Mycosis is a fungal infection that can affect various parts of the body, including the skin, nails, and internal organs. These infections are caused by fungi, which can be yeasts, molds, or…

Life sciences

Myelogram

The myelogram is a diagnostic test that examines the bone marrow, a spongy tissue located inside the bones, where blood cells are produced. This technique provides crucial information about the…

Life sciences

Myeloma

Myeloma is a type of cancer that affects plasma cells, a type of white blood cell found in the bone marrow. These cells are responsible for producing antibodies, which are essential for the immune…

Life sciences

Myelopathy

Myelopathy is a disorder that affects the spinal cord, a crucial structure of the central nervous system that transmits signals between the brain and the rest of the body. This disorder can result in…

Life sciences

Myelosuppression

Myelosuppression is a medical condition characterized by a decrease in the production of blood cells in the bone marrow. This reduction can affect red blood cells, white blood cells, and platelets…

Life sciences

Myogenesis

The process of muscle tissue formation, known as myogenesis, is a fundamental biological phenomenon that occurs during embryonic development and tissue regeneration in multicellular organisms. This…

Life sciences

Myopathy

Myopathy is a muscle disease characterized by the malfunction of muscle fibers. This dysfunction can manifest in various ways, including muscle weakness, pain, and fatigue. Myopathies can be of…

Life sciences

Myosin

Myosin is an essential motor protein that plays a crucial role in muscle contraction and various cellular processes. It is found in muscle cells, where it interacts with actin, another protein, to…

Life sciences

Myositis

Myositis is a medical condition characterized by inflammation of the skeletal muscles, which can result in weakness and muscle pain. This inflammation can be caused by various reasons, including…

Life sciences

Myrtle

Myrtle (Myrtus communis) is a perennial shrub characterized by its intense fragrance and shiny, aromatic leaves. This shrub can reach up to 5 meters in height and features a brown bark that peels off…

Life sciences

Nanomedicine

Nanomedicine is an emerging field that focuses on the application of nanotechnology for the prevention, diagnosis, and treatment of diseases. This innovative approach utilizes structures at the…

Life sciences

Nanopore Sequencing

Nanopore sequencing is an innovative method for sequencing DNA that involves passing a DNA molecule through a nanopore, an extremely small structure that allows for the detection of changes in…

Life sciences

Narcissus

The daffodil, belonging to the genus Narcissus, is a group of flowering plants in the Amaryllidaceae family, which includes around 50 species native to Europe and North Africa. These plants are known…

Life sciences

Narcissus poeticus

The poetic narcissus, scientifically known as Narcissus poeticus, is a species of flowering plant belonging to the Amaryllidaceae family. This perennial plant is native to Europe and is characterized…

Life sciences

Narcotic

A narcotic is a substance that has the ability to relieve pain and, in many cases, induce sleep. These drugs act on the central nervous system, altering pain perception and causing sedative effects…

Life sciences

Narcotic Analgesic

Narcotic analgesics are a class of medications that relieve pain by acting on the central nervous system. These drugs are known for their ability to reduce pain perception and often induce a sense of…

Life sciences

Narcotization

Narcotization is the process by which a state of stupor or insensitivity is induced in an individual, typically through the administration of chemical substances known as narcotics. These substances…

Life sciences

Nasal

The term 'nasal' refers to everything related to the nose, a vital organ in the human respiratory system. The nose not only serves essential functions in breathing but also plays a crucial role in…

Life sciences

Nasal Congestion

Nasal congestion is the blockage of the nasal passages that occurs when the membranes lining the nose swell or inflame. This symptom can be caused by various conditions, such as viral infections…

Life sciences

Nasal Polyps

Nasal polyps are soft, painless growths that develop on the lining of the nasal passages or sinuses. These growths result from chronic inflammation and can vary in size, from small to large, and may…