Elastosis: Degeneration of elastic tissue.
Elbow: The joint fonned between the humerus above and the radius and ulna below.
Electroanaesthesia : Anaesthesia induced by electricity.
Electrocardiogram: A record of vibrations in electric potential which occurs in the heart as it contracts and relaxes.
Electrocardiograph: An instrument for making electrocardiograms.
Electrocardiography: A method of recording the activity of cochlea.
Electrochemistry: Study of the relationship between electrical forces and chemical reactions.
Electrode: Either of two substances having different electromotive activity which enable an electric
current to flow in the presence of an electrolyte.
- Calamel electrode: An electrode
capable of both collecting and giving up chloride ions, used as a reference electrode in pH measurements.
- Glass electrode: A thin walled glass bulb filled with some standard electrolyte as 0.1 N HQ.
105
Electron
- Hydrogen electrode: An electrode used' in electrometric method of detennining the
hydrogen ion concentration of
biological fluid.
- Negative electrode: Cathode. - Positive electrode: Anode. Electrodiagnosis : The use of electrical devices in the diagnosis of pathologic conditions. Electrodiagnostics: The science and practice of electrodiagnosis.
Electrodialysis: Using an electrical potential to increase the rate of moveplent of ionic impurities through a dialysing membrane.
Electroencephalography: Recording of a regular rhythmical change of electrical potential in the brain due to the rhythmic discharge of energy by nerve cells.
Electrolysis: Destruction by passage of a galvanic electric current.
Electrolyte: A solid or liquid substance that will provide ionic conductivity when dissolved in water.
Electrolytic: Relating to electrolysis or a substance whose solutions are capable of conducting electric current.
Electrolyze: To decompose chemically by means of an electric current. Electron: One of the negatively charged subatomic particles.
- Emission electron: One of the
electrons which give radioactivity to the atom.
- Free electron: An electron which
is not bound to the nucleus of an
Electron valency: The electrons which take part in the chemical reaction of the atom.
Electron volt: Measurement of energy of radiation. Electronegativity : The attraction of electrons with the nuclear charge of the atom.
Electronic charge: A quantity of electricity that is equal numerically to the charge of an electron. Electronization : The addition of an electron to a compound.
Electro-osmosis : The movement of a solution past a stationary colloid material when an electric potential is applied.
Electrophoresis: The migration of
. charged particles between electrodes. Electroretinography: A method of recording the activity of retina.
Electroshock: The treatment of certain psychoses by the application of an electric shock through the head. Electrotomy : Electrical cutting with low current.
Electrovolt: Unit of energy used for radiation.
Electuary: A soft paste containing drugs mixed with sugar or honey.
Eledoisin: An endecapeptide from the posterior salivary gland of octopus which has vasodilator, hypotensive and muscle stimulant properties.
Element: One of the 106 presently known kind of substance that comprises all matter at and above the atomic level.
- Amphoteric element: An
element whose some oxides form acids with water, others form bases.
- Electronegative element: Any chemical element that adds electrons during chemical combination.
- Electropositive element: A chemical element that loses electrons.
- Radioactive element: A chemical element which spontaneously transmutes into
another element with emission of electromagnetic radiations.
- Rare earth elements: Elements
of the lanthanum series.
- Trace elements: Chemical elements that are distributed throughout the tissues in very
small amounts.
Elephantiasis: A chronic disease due to infection with Burgia malays, spreaded by bites of infective mosquitoes.
Elixir: (1) A solution of a potent or nauseous drug. (2) Clear, sweetened, aromatic hydroaIcoholic liquids for oral use which are less viscous and less sweet than syrups.
Ellipsoid: A solid body which is elliptic in section.
Eluant (Eluent) : A solution used in elution.
Eluate: The substance separated out by a solution.
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