Medical TermsWordPrefixWord RootSuffixMeaningAlkaloidAlkali =a chemical compound that neutralizes or effervesces with acidsoid= resemblingAny of a class of nitrogenous organic compounds of plant origin that have pronounced physiological actions on humans.AnalgesiaAna = against (up, backward)-algesia, alges/o = pain sensitivityInability to feel pain.AnesthesiaInsensitivity to pain, especially as artificially induced by the administration of gases or the injection of drugs before surgical operations.Anorexia An = WithoutOrexis = appetiteA lack or loss of appetite for food.AntipyreticAnti = againstPyr = heat,  fire, feverUsed to prevent or reduce fever.AtaxiaAtaxy = irregularity of bodily functionsThe loss of full control of bodily movements.BiochemicalBio = LifeChemistry =the branch of science that deals with the identification of the substances of which matter is composed.relating to the chemical processes and substances which occur within living organisms.DysmenorrheaDys = badmen/o = menses,  menstruationOrrhea  = flow of dischargePainful menstruation.EncephalogramEncephalo = brainGram = telegramAn x-ray of the brain, usually involving replacement of some cerebrospinal fluidEndoscopy Endo = Inner, absorbing, containingScopy = examinationAn examination by means of an endoscope.EpiduralEpi = Above, over, uponDura = Membrane(meninges)On or around dura mater.GlaucomaGlauc/o =  grayoma = mass, fluid collectionAbnormal pressure in the eyeball.HepaticHepat/o = liverIc = pertaining toRelating to the liver.HyperplasiaHyper = excessive/ abovePlasia = development; formation Abnormal increase in volume of a tissue or caused by the formation and growth of new  normal cells.hypnosisHypno = SleepSis =action, process, condition, statean artificially induced trance state resembling sleep, characterized by heightened susceptibility to suggestion.Hypoalbuminemia Hypo = Under, deficient, belowAlbumin = a simple form of protein that is soluble in water and coagulable by heatEmia = bloodAn abnormally small quantity of albumin in the blood.Inorganic In = notOrganic = LivingNot consisting of or deriving from living matter.InsomniaIn = notsomnia = sleepInability to sleep.Lipophilic Lipo = Fatphilic = attraction/affinityTending to combine with or dissolve in lipids or fats.MyalgiaMy/o = muscleAlgia = painMuscle pain.NeurolepticNeuro = NerveLeptic = a condition of seizingTending to reduce nervous tension by depressing nerve functions.neuronNeuro = NerveA specialized cell transmitting nerve impulsesNeurotransmitterNeuro = NerveTransmitter = transmission of electromagnetic impulsesA neurotransmitter is a messenger of neurologic information from one cell to another.OpioidOpiate = medicine containing opium.Oid =  resemblingan opium like compound that binds to one or more of the three opioid receptors of the body.perinatalPeri = surroundingNatal =  relating to the place or time of one's birthrelating to the time, usually a number of weeks, immediately before and after birth.PeritubularPeri = surrounding Tubular = long, round, and hollow like a tubebeing adjacent to or surrounding a tubulePharmacodynamicsPharmac/o = drugsDynamics = the branch of mechanics concerned with the motion of bodies under the action of forcesThe branch of pharmacology concerned with the effects of drugs and the mechanism of their action.PhysiologicalPhysi/o = natureLogical = of or according to the rules of logic or formal argument.Relating to the branch of biology that deals with the normal functions of living organisms and their parts.psychosis psych/o = mindOsis = condition, usually abnormalAbnormal condition of severe mental disorder.Schizophrenia Schizo =  splitPhrenia = disordered condition of mental activityA long-term mental disorder of a type involving a breakdown in the relation between thought, emotion, and behavior, leading to faulty perception.Seizure  Uncontrolled electrical activity in the brain, which may produce a physical convulsion, minor physical signs, thought disturbances, or a combination of symptoms.StimulantA substance that raises levels of physiological or nervous activity in the body.SubcutaneousSub - under, belowcutane/o = skinOus = pertaining toSituated or applied under the skin.TachycardiaTachy =  fastcardi/o = heartIa =conditionCondition of a rapid heart rate.