| epenthesis | (noun) the insertion of a vowel or consonant into a word to make its pronunciation easier | - |
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| epigenesis | (noun) a geological change in the mineral content of rock after the rock has formed | - |
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| epiphysis | (noun) the end of a long bone; initially separated from the main bone by a layer of cartilage that eventually ossifies so the parts become fused | - |
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| (noun) a small endocrine gland in the brain; situated beneath the back part of the corpus callosum; secretes melatonin | Synonyms: epiphysis cerebri, pineal body, pineal gland |
| epistasis | (noun) the suppression of a gene by the effect of an unrelated gene | Synonyms: hypostasis |
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| erythroblastosis | (noun) a blood disease characterized by the abnormal presence of erythroblasts in the blood | - |
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| erythropoiesis | (noun) the process of producing red blood cells by the stem cells in the bone marrow | - |
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| esthesis | (noun) an unelaborated elementary awareness of stimulation | Synonyms: aesthesis, sensation, sense datum, sense experience, sense impression |
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| exegesis | (noun) an explanation or critical interpretation (especially of the Bible) | - |
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| exostosis | (noun) a benign outgrowth from a bone (usually covered with cartilage) | - |
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| fascioliasis | (noun) infestation with the liver fluke Fasciola hepatica; liver damage sometimes occurs; related to liver rot | Synonyms: fasciolosis |
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| fasciolopsiasis | (noun) infestation with the large intestinal fluke Fasciolopsis buski; common in eastern Asia | - |
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| fasciolosis | (noun) infestation with the liver fluke Fasciola hepatica; liver damage sometimes occurs; related to liver rot | Synonyms: fascioliasis |
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| fibrinolysis | (noun) a normal ongoing process that dissolves fibrin and results in the removal of small blood clots | - |
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| fibrosis | (noun) development of excess fibrous connective tissue in an organ | - |
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| filariasis | (noun) a disease caused by nematodes in the blood or tissues of the body causing blockage of lymphatic vessels | - |
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| fluorosis | (noun) a pathological condition resulting from an excessive intake of fluorine (usually from drinking water) | - |
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| furunculosis | (noun) acute skin disease characterized by the presence of many furuncles | - |
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| galactosis | (noun) the secretion of milk | - |
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| gametogenesis | (noun) the development and maturation of sex cells through meiosis | - |
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| genesis | (noun) a coming into being | Synonyms: generation |
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| giardiasis | (noun) infection of the intestines with protozoa found in contaminated food and water; characterized by diarrhea and nausea and flatulence and abdominal discomfort | - |
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| glossoptosis | (noun) abnormal downward or back placement of the tongue | - |
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| glycogenesis | (noun) the conversion of glucose to glycogen when the glucose in the blood exceeds the demand | - |
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| (noun) the formation in animals of glycogen from glucose | - |
| glycolysis | (noun) a metabolic process that breaks down carbohydrates and sugars through a series of reactions to either pyruvic acid or lactic acid and releases energy for the body in the form of ATP | - |
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| gnosis | (noun) intuitive knowledge of spiritual truths; said to have been possessed by ancient Gnostics | - |
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| gummosis | (noun) pathological production of gummy exudates in citrus and various stone-fruit trees | - |
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| (noun) disease of citrus trees caused by the fungus Phytophthora citrophthora | Synonyms: brown rot gummosis |
| gynogenesis | (noun) female parthenogenesis in which the embryo contains only maternal chromosomes due to the failure of the sperm to fuse with the egg nucleus | - |
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| haematemesis | (noun) vomiting blood | Synonyms: hematemesis |
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| haematogenesis | (noun) the formation of blood cells in the living body (especially in the bone marrow) | Synonyms: haematopoiesis, haemogenesis, haemopoiesis, hematogenesis, hematopoiesis, hemogenesis, hemopoiesis, sanguification |
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| haematolysis | (noun) lysis of erythrocytes with the release of hemoglobin | Synonyms: haemolysis, hematolysis, hemolysis |
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| haematopoiesis | (noun) the formation of blood cells in the living body (especially in the bone marrow) | Synonyms: haematogenesis, haemogenesis, haemopoiesis, hematogenesis, hematopoiesis, hemogenesis, hemopoiesis, sanguification |
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| haemodialysis | (noun) dialysis of the blood to remove toxic substances or metabolic wastes from the bloodstream; used in the case of kidney failure | Synonyms: hemodialysis |
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| haemogenesis | (noun) the formation of blood cells in the living body (especially in the bone marrow) | Synonyms: haematogenesis, haematopoiesis, haemopoiesis, hematogenesis, hematopoiesis, hemogenesis, hemopoiesis, sanguification |
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| haemolysis | (noun) lysis of erythrocytes with the release of hemoglobin | Synonyms: haematolysis, hematolysis, hemolysis |
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| haemopoiesis | (noun) the formation of blood cells in the living body (especially in the bone marrow) | Synonyms: haematogenesis, haematopoiesis, haemogenesis, hematogenesis, hematopoiesis, hemogenesis, hemopoiesis, sanguification |
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| haemoptysis | (noun) coughing up blood from the respiratory tract; usually indicates a severe infection of the bronchi or lungs | Synonyms: hemoptysis |
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| haemosiderosis | (noun) abnormal deposit of hemosiderin; often a symptom of thalassemia or hemochromatosis | Synonyms: hemosiderosis |
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| haemostasis | (noun) surgical procedure of stopping the flow of blood (as with a hemostat) | Synonyms: haemostasia, hemostasia, hemostasis |
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| halitosis | (noun) offensive breath | - |
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| hallucinosis | (noun) a mental state in which the person has continual hallucinations | - |
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| heliopsis | (noun) any North American shrubby perennial herb of the genus Heliopsis having large yellow daisylike flowers | Synonyms: oxeye |
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| helminthiasis | (noun) infestation of the body with parasitic worms | - |
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| hematemesis | (noun) vomiting blood | Synonyms: haematemesis |
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| hematogenesis | (noun) the formation of blood cells in the living body (especially in the bone marrow) | Synonyms: haematogenesis, haematopoiesis, haemogenesis, haemopoiesis, hematopoiesis, hemogenesis, hemopoiesis, sanguification |
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| hematolysis | (noun) lysis of erythrocytes with the release of hemoglobin | Synonyms: haematolysis, haemolysis, hemolysis |
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| hematopoiesis | (noun) the formation of blood cells in the living body (especially in the bone marrow) | Synonyms: haematogenesis, haematopoiesis, haemogenesis, haemopoiesis, hematogenesis, hemogenesis, hemopoiesis, sanguification |
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| hemimetamorphosis | (noun) incomplete or partial metamorphosis in insects | Synonyms: hemimetabolism, hemimetaboly |
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| hemochromatosis | (noun) pathology in which iron accumulates in the tissues; characterized by bronzed skin and enlarged liver and diabetes mellitus and abnormalities of the pancreas and the joints | Synonyms: bronzed diabetes, iron-storage disease, iron overload |
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| hemodialysis | (noun) dialysis of the blood to remove toxic substances or metabolic wastes from the bloodstream; used in the case of kidney failure | Synonyms: haemodialysis |
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| hemogenesis | (noun) the formation of blood cells in the living body (especially in the bone marrow) | Synonyms: haematogenesis, haematopoiesis, haemogenesis, haemopoiesis, hematogenesis, hematopoiesis, hemopoiesis, sanguification |
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| hemolysis | (noun) lysis of erythrocytes with the release of hemoglobin | Synonyms: haematolysis, haemolysis, hematolysis |
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| hemopoiesis | (noun) the formation of blood cells in the living body (especially in the bone marrow) | Synonyms: haematogenesis, haematopoiesis, haemogenesis, haemopoiesis, hematogenesis, hematopoiesis, hemogenesis, sanguification |
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| hemoptysis | (noun) coughing up blood from the respiratory tract; usually indicates a severe infection of the bronchi or lungs | Synonyms: haemoptysis |
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| hemosiderosis | (noun) abnormal deposit of hemosiderin; often a symptom of thalassemia or hemochromatosis | Synonyms: haemosiderosis |
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| hemostasis | (noun) surgical procedure of stopping the flow of blood (as with a hemostat) | Synonyms: haemostasia, haemostasis, hemostasia |
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| heterogenesis | (noun) the alternation of two or more different forms in the life cycle of a plant or animal | Synonyms: alternation of generations, xenogenesis |
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| heterosis | (noun) (genetics) the tendency of a crossbred organism to have qualities superior to those of either parent | Synonyms: hybrid vigor |
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| hidrosis | (noun) the process of the sweat glands of the skin secreting a salty fluid | Synonyms: diaphoresis, perspiration, sudation, sweating |
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| histiocytosis | (noun) a blood disease characterized by an abnormal multiplication of macrophages | - |
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| homeostasis | (noun) (physiology) metabolic equilibrium actively maintained by several complex biological mechanisms that operate via the autonomic nervous system to offset disrupting changes | - |
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| hydatidosis | (noun) infestation with larval echinococci (tapeworms) | Synonyms: echinococcosis, hydatid disease |
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| hydrarthrosis | (noun) inflammation and swelling of a movable joint because of excess synovial fluid | - |
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| hydrolysis | (noun) a chemical reaction in which water reacts with a compound to produce other compounds; involves the splitting of a bond and the addition of the hydrogen cation and the hydroxide anion from the water | - |
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| hydronephrosis | (noun) accumulation of urine in the kidney because of an obstruction in the ureter | - |
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| hyperacusis | (noun) abnormal acuteness of hearing due to increased irritability of the sensory neural mechanism; characterized by intolerance for ordinary sound levels | Synonyms: auditory hyperesthesia, hyperacusia |
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| hyperemesis | (noun) severe and excessive vomiting | - |
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| hyperhidrosis | (noun) excessive and profuse perspiration | Synonyms: hyperidrosis, polyhidrosis |
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| hyperidrosis | (noun) excessive and profuse perspiration | Synonyms: hyperhidrosis, polyhidrosis |
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| hyperpiesis | (noun) persistent and pathological high blood pressure for which no specific cause can be found | Synonyms: essential hypertension, hyperpiesia |
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| hypervitaminosis | (noun) an abnormal condition resulting from taking vitamins excessively; can be serious for vitamins A or D or K | - |
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| hypnoanalysis | (noun) the use of hypnosis in conjunction with psychoanalysis | - |
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| hypnogenesis | (noun) the induction of sleep or hypnosis | - |
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| hypnosis | (noun) a state that resembles sleep but that is induced by suggestion | - |
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| hypochondriasis | (noun) chronic and abnormal anxiety about imaginary symptoms and ailments | Synonyms: hypochondria |
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| hypophysis | (noun) the master gland of the endocrine system; located at the base of the brain | Synonyms: pituitary, pituitary body, pituitary gland |
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| hypostasis | (noun) (metaphysics) essential nature or underlying reality | - |
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| (noun) any of the three persons of the Godhead constituting the Trinity especially the person of Christ in which divine and human natures are united | Synonyms: hypostasis of Christ |
| (noun) the accumulation of blood in an organ | - |
| (noun) the suppression of a gene by the effect of an unrelated gene | Synonyms: epistasis |
| hypothesis | (noun) a tentative insight into the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena | Synonyms: possibility, theory |
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| (noun) a proposal intended to explain certain facts or observations | - |
| (noun) a message expressing an opinion based on incomplete evidence | Synonyms: conjecture, guess, speculation, supposition, surmisal, surmise |
| hypotyposis | (noun) vivid picturesque description. | - |
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| hypovitaminosis | (noun) any of several diseases caused by deficiency of one or more vitamins | Synonyms: avitaminosis |
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| hysteresis | (noun) the lagging of an effect behind its cause; especially the phenomenon in which the magnetic induction of a ferromagnetic material lags behind the changing magnetic field | - |
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| ichthyosis | (noun) any of several congenital diseases in which the skin is dry and scaly like a fish | - |
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| immunoelectrophoresis | (noun) electrophoresis to separate antigens and antibodies | - |
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| ionophoresis | (noun) the motion of charged particles in a colloid under the influence of an electric field; particles with a positive charge go to the cathode and negative to the anode | Synonyms: cataphoresis, dielectrolysis, electrophoresis |
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| iontophoresis | (noun) therapy that uses a local electric current to introduce the ions of a medicine into the tissues | Synonyms: electromotive drug administration, EMDA, ionic medication, iontotherapy |
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| kainogenesis | (noun) introduction during embryonic development of characters or structure not present in the earlier evolutionary history of the strain or species (such as the addition of the placenta in mammalian evolution) | Synonyms: caenogenesis, cainogenesis, cenogenesis, kenogenesis |
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| kaliuresis | (noun) the presence of excess potassium in the urine | Synonyms: kaluresis |
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| kaluresis | (noun) the presence of excess potassium in the urine | Synonyms: kaliuresis |
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| karyokinesis | (noun) organic process consisting of the division of the nucleus of a cell during mitosis or meiosis | - |
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| karyolysis | (noun) disintegration and dissolution of a cell nucleus when a cell dies | - |
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| katharsis | (noun) (psychoanalysis) purging of emotional tensions | Synonyms: abreaction, catharsis |
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| (noun) purging the body by the use of a cathartic to stimulate evacuation of the bowels | Synonyms: catharsis, purgation |
| kenogenesis | (noun) introduction during embryonic development of characters or structure not present in the earlier evolutionary history of the strain or species (such as the addition of the placenta in mammalian evolution) | Synonyms: caenogenesis, cainogenesis, cenogenesis, kainogenesis |
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| kenosis | (noun) the concept of emptying one's own will and receive God's will, in Catholicism | - |
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| keratomycosis | (noun) fungal infection of the cornea | - |
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| keratonosis | (noun) any abnormal condition of the outer skin (epidermis) | - |
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| keratosis | (noun) a skin condition marked by an overgrowth of layers of horny skin | - |
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| ketoacidosis | (noun) acidosis with an accumulation of ketone bodies; occurs primarily in diabetes mellitus | Synonyms: diabetic acidosis |
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| ketosis | (noun) an abnormal increase of ketone bodies in the blood as in diabetes mellitus | Synonyms: acetonemia, ketonemia |
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| kinaesthesis | (noun) the ability to feel movements of the limbs and body | Synonyms: kinaesthesia, kinesthesia, kinesthesis, kinesthetics, muscle sense, sense of movement |
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| kinesis | (noun) a movement that is a response to a stimulus but is not oriented with respect to the source of stimulation | - |
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| kinesthesis | (noun) the ability to feel movements of the limbs and body | Synonyms: kinaesthesia, kinaesthesis, kinesthesia, kinesthetics, muscle sense, sense of movement |
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