Technology, science and the universe
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 sciencesNanopore 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 sciencesNarcissus
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 sciencesNarcissus 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 sciencesNarcotic
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 sciencesNarcotic 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 sciencesNarcotization
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 sciencesNasal
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 sciencesNasal 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 sciencesNasal 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…
Life sciencesNasal Swab
Nasal swabbing is a diagnostic test that involves collecting a sample of secretions from the nasal cavity. This procedure is performed using a swab, which is a stick with a cotton tip, that is gently…
Life sciencesNatural Hybrid
A natural hybrid is an organism that results from the genetic combination of two different species, occurring without human intervention. This phenomenon is found in various forms in nature, where…
Artificial intelligenceNatural Selection
Natural selection is the process by which species adapt to their environment, favoring the survival and reproduction of individuals with advantageous traits. This mechanism, proposed by Charles…
Life sciencesNausea
Nausea is a feeling of discomfort and unease in the stomach that is often accompanied by an urge to vomit. This symptom can be triggered by various causes, including gastrointestinal issues…
Life sciencesNausea and Vomiting
Nausea and vomiting are common symptoms that can occur in a variety of medical conditions. Nausea is described as a feeling of discomfort in the stomach that often precedes vomiting, which is the…
Life sciencesNauseant
The term 'nauseant' refers to any substance that induces the sensation of nausea, a discomfort that can lead a person to vomit. This phenomenon is a physiological response of the body to certain…
Life sciencesNectar
Nectar is a sweet liquid produced by flowers, primarily designed to attract pollinators such as bees, butterflies, and birds. This fluid is a mixture of sugars, amino acids, vitamins, and minerals…
Life sciencesNectarine
The nectarine is a smooth-skinned fruit that belongs to the same family as the peach, known as Prunus persica. Its appearance is similar to that of a peach, but it is distinguished by its smooth and…
Life sciencesNectarivore
Nectarivores are animals that primarily feed on nectar, a sweet liquid produced by flowers. This type of feeding is an adaptation that allows them to obtain not only energy but also essential…
Life sciencesNematode
Nematodes, also known as roundworms, are multicellular organisms belonging to the phylum Nematoda. They are characterized by their elongated, cylindrical bodies, which lack segments, distinguishing…
Life sciencesNematology
Nematology is the branch of biology that studies nematodes, a diverse group of multicellular organisms belonging to the phylum Nematoda. These organisms, commonly known as roundworms, are…
Life sciencesNeophyte Hybrid
The term 'Neophyte Hybrid' refers to a hybrid plant that is recently introduced into an ecosystem. These plants are the result of combining two or more different species, which gives them unique…
Life sciencesNeoplasm
Neoplasia refers to an abnormal mass of tissue that can be benign or malignant. This term comes from Greek, where 'neo' means new and 'plasis' translates to formation. Neoplasias result from…
Life sciencesNephrectomy
Nephrectomy is a surgical procedure that involves the removal of one of the kidneys. This type of surgery can be total, where the affected kidney is completely removed, or partial, where only a part…
