This page gathers the 10,749 dictionary entries belonging to the domain “Medicine”, as labelled by Wiktionary. Each word leads to its full entry: definitions, etymology, pronunciation, examples. Page 12 of 108: from “atrial tachycardia” to “azelaic acid”.
- atrial tachycardia noun A type of heart rhythm problem in which the heart's electrical impulse comes from an ectopic pacemaker in the upper chambers.
- atriohisian adj Of or pertaining to an atrium and the His bundle in the electrical conduction system of the heart, as (usually, more specifically) an…
- atrioventricular valve noun Either of the two valves in the heart, situated between the atria and the ventricles, that prevent backflow from the ventricles into the…
- atrium noun A cavity, entrance, or passage.
- atrophia areata noun A rare genetic disease reported only in Icelandic families characterized by bilateral macular degeneration and early onset choroidal…
- atrophic adj Of, pertaining to, or arising from atrophy.
- atrophy noun A reduction in the functionality of an organ caused by disease, injury or lack of use.
- atropine noun An alkaloid extracted from the plant deadly nightshade (Atropa belladonna) and other sources, such as the seeds of the thorn-apple. Though…
- atropinization noun Physical effects caused by atropine, including flushing, mydriasis, tachycardia, and dryness of the mouth and nose.
- attachment therapy noun Any of a category of controversial alternative child mental health interventions intended to treat attachment disorders.
- attack noun The sudden onset of a disease or condition.
- attack rate noun the proportion of people in a population exposed to a disease who fall ill. (Ill people divided by total population)
- attention deficit hyperactivity disorder noun A developmental disorder in which a person has difficulty to concentrate and a persistent pattern of impulsiveness and inattention, with or…
- attenuant noun Any medicine that thins or dilutes the fluids; a diluent.
- attenuate verb To reduce the virulence of a bacterium or virus.
- attenuated adj Weakened, usually in a way that includes nonreplicating status.
- attenuation noun The reduction of the active principles of medicines to minute doses.
- attrition noun The wearing of teeth due to their grinding.
- atypical antipsychotic noun Any of a group of antipsychotic drugs largely introduced after the 1970s and used to treat mental disorders.
- atypical pneumonia noun Pneumonia not caused by one of the pathogens most commonly associated with the disease, such as Streptococcus pneumoniae, Haemophilus…
- Auer rod noun clumps of azurophilic granular material that typically form elongated needles seen in the cytoplasm of myeloid leukemic blast cells.
- augmentation noun A surgical procedure to enlarge a body part, as breast augmentation.
- augmentation cystoplasty noun A surgical procedure in which a portion of the intestine is connected to the bladder head to allow for urinary voiding.
- aula noun The anterior part of the third ventricle of the brain leading to the lateral ventricles.
- aura noun A subjective sensation experienced at the onset of a neurological condition, especially a migraine headache or epileptic seizure.
- auricle noun The outer ear or pinna.
- auricula noun The external part of the ear.
- auricular adj Of or pertaining to the sense of hearing.
- auricularis anterior noun A muscle that arises from the galea aponeurotica, inserts into the helix, and acts to protract the external ear.
- auricularis posterior noun A muscle that arises from the mastoid process of the temporal bone, inserts into the cranial surface of the concha of the external ear, and…
- auricularis superior noun A muscle that arises from the galea aponeurotica, inserts into the cranial surface of the pinna, and acts to elevate the external ear.
- auriculo- prefix Of or pertaining to the auricle of the heart.
- auriculotemporal nerve noun The branch of the mandibular nerve that supplies sensory fibers to the skin of the external ear and temporal region and autonomic fibers…
- auscultation noun Diagnosis of disorders by listening to the sounds of the internal organs, usually using a stethoscope.
- autarchic adj Not inhibited by neighbouring genetic material
- autemesia noun Self-induced vomiting.
- autism spectrum disorder noun A disorder involving any of a range of psychological conditions, all characterized by abnormal social interaction and communication…
- autoaugmentation noun The augmentation of a body-part by using tissue from elsewhere, but especially enhancement of a woman's breast size and shape by using her…
- autochthonous adj Originating where found; found where it originates.
- autoclasis noun destruction of tissue due to internal (or immunological) processes
- autoclip noun A stainless steel clip, used to close wounds, that can be removed using a forceps when the wound has healed.
- autodiploid adj diploid as a result of duplication of a haploid set of chromosomes
- autoerythrocyte adj Involving interactions with an organism's own erythrocytes
- autogenous adj Developed from an independent centre of ossification.
- autograft noun A tissue graft taken from one part to another of the same individual's body.
- autohemotherapy noun The intramuscular or subcutaneous, immediate hypodermic reinjection of blood previously removed from the patient.
- autoinoculation noun The spread of a disease to another part of the body via inoculation
- autoinsufflate verb To force air from the throat into the middle ear with one's nose plugged; to perform the Valsalva manoeuvre.
- autointoxication noun Poisoning due to the faulty absorption of the waste products of metabolism or of the products of decomposition within the intestines.
- autokabalesis noun Jumping from a significant height to the ground as an act of suicide or due to psychiatric disorder.
- autoligation noun The act of ligating something to itself
- autolysis noun The destruction of an organism's cells by enzymes produced by the organism itself.
- automaticity noun The ability of the heart muscles to contract independently of each other when separated or in unison when reattached in whole or in groups.
- autonomic adj Acting or occurring involuntarily, without conscious control.
- autonomic nervous system noun In humans and other vertebrates, the part of the nervous system that regulates the involuntary activity of the heart, intestines and…
- autopathy noun The philosophy that the cause of sickness in one individual is the same as the cause in another person.
- autophagy noun The process of self-digestion by a cell through the action of enzymes originating within the same cell, and often a defensive or…
- autophony noun An auscultatory process which consists of noting the tone of the observer's own voice, while he speaks, holding his head close to the…
- autoplasty noun The process of artificially repairing lesions by taking a piece of healthy tissue, as from a neighboring part, to supply the deficiency…
- autoploid adj Describing a cell (or individual) that has multiple copies of a set of haploid chromosomes from a single parent
- autopolymerisation noun The process by which an autopolymer hardens.
- autopolymerization noun The process by which an autopolymer hardens.
- autopolyploid adj Having more than two sets of chromosomes, derived from the same species, as a result of redoubling
- autoreceptor noun A receptor, situated in the terminal of a presynaptic nerve cell, that is sensitive to neurotransmitters released by the neuron in whose…
- autosensitization noun A hypersensitivity reaction to a self-antigen (any biomolecule of one's own body, usually a particular protein thereof). Often it does not…
- autospecific adj Specific to the self (an individual).
- autosplenectomize verb To have a grossly shrunken and nonfunctional spleen as a result of repeated, disease-induced splenic infarctions.
- autosplenectomized adj Having a grossly shrunken and nonfunctional spleen as a result of repeated, disease-induced splenic infarctions.
- autospray noun A medicine provided in the form of a spray for topical application.
- autostylic adj Having the mandibular arch articulated directly to the cranium, as in the skulls of the lungfish and tetrapods.
- autosuggest verb To suggest to oneself.
- autotetraploid adj tetraploid because of the doubling of an ancestral chromosome
- autotherapy noun The spontaneous cure of a medical condition.
- autotransplantation noun The surgical transfer of a tissue, organ, or body part from one location to another within the same person.
- autotriploid adj triploid as a result of multiplication of a haploid set of chromosomes
- autozygous adj Being a genotype of a kind where two alleles at a locus originate from a common ancestor by way of nonrandom mating (inbreeding).
- auxetic adj Relating to auxesis
- auxeticity noun The quality of being auxetic (relating to auxesis).
- auxotonic adj Of or involving muscular contraction against resistance in which the length of the muscle changes and the tension differs due to an…
- auxotype noun A subtype of Neisseria bacteria defined by its distinctive growth responses on a medium.
- AV node noun A small structure in the heart, located in the Koch's triangle, near the coronary sinus on the interatrial septum.
- avascular necrosis noun A disease resulting from the temporary or permanent loss of the blood supply to the bones, causing bone tissue death and bone collapse.
- avermectin noun Any of a class of macrocyclic lactones, produced by Streptomyces bacteria, that are used medically to kill parasites
- avianize verb To attenuate (something such as a virus, for example for use in a vaccine) by repeatedly culturing it in bird embryos.
- avilamycin noun Any of a class of orthosomycin antibiotics produced by the fermentation of Streptomyces viridochromogenes.
- avoidant personality disorder noun A personality disorder characterized by an irrational fear of rejection and anxiety in social situations.
- avoidant/restrictive food intake disorder noun An eating disorder preventing the consumption of certain foods that appears in childhood and is generally overcome with age.
- avulsion noun The loss or separation of a body part, either by surgery or due to trauma.
- axial adj Belonging to the axis of the body, or to the axis of any appendage or organ
- axial lobe noun The longitudinal lobe found in various crustacea, fish and arthropods, running down the centre of the animal.
- axillary artery noun An artery that originates as the continuation of the subclavian artery after crossing the first rib to enter the axilla, and becomes the…
- axillary vein noun A large blood vessel that conveys blood from the lateral aspect of the thorax, axilla (armpit) and upper limb toward the heart.
- axin noun A fatty and varnish-like substance produced in Mexico by an insect, Llaveia axin, used in the arts and locally in medicine, being regarded…
- axipetal adj Seeking the axon
- axis noun The second cervical vertebra of the spine
- axoid adj Relating to an axis.
- axon noun A nerve fibre which is a long slender projection of a nerve cell, and which conducts nerve impulses away from the body of the cell to a…
- axunge noun Lard prepared for medical use.
- azathioprine noun A purine antimetabolite immunosuppressant used in organ transplant and autoimmune diseases to prevent rejection.
- azelaic acid noun An aliphatic dicarboxylic acid found in many cereals; it has an antibacterial action and is used in skin creams etc; HOOC(CH₂)₇COOH.