Category: E

Membrane lining the inside of the skull. The dura mater of the brain, which forms the lining membrane of the cranium.  

X-ray of the brain made by withdrawing cerebrospinal fluid and replacing it with a gas (e.g., oxygen). It is a risky procedure, used when computed tomography is not definitive, and used in diagnosis of hydrocephalus and other abnormalities. A radiograph of the brain, usually performed with air in the ventricles as a contrast medium. This…

Process of enclosing something in a covering; the condition of being enclosed in a capsule, as the tendons or nerves are enclosed in membranous sheaths. Enclosure in a sheath not normal to the part.  

A small growth at the inner angle of the eyelids. An excrescence or new growth at the inner angle of the eye.  

Antiarrhythmic dmg used in the treatment of life-threatening arrhythmias. Adverse effects include the exacerbation of arrhythmias and diarrhea. It is generally recommended that administration of this agent be started in a hospital.  

Form into an emulsion, a mixture of two liquids that are not totally soluble within each other.  

To treatment of disease based on observation and experience, not on knowledge of the specific causes or mechanisms of the disease.  

Preserving a dead body or body parts, usually for burial, by injecting a preservative solution such as formaldehyde. Usually done within 48 hours of death. The preservation of a dead body by the introduction of chemical compounds that delay putrefaction. The ancient Egyptians raised the process to a fine art in the production of their…

Separation of one material from another by washing; used in chemistry in reference to washing ions from ion- exchange resins. In chemistry, separation of one material from another by washing. If a material contains water-soluble and water-insoluble materials, the passage of water (the eluent) through the mixture will remove the portion that is water soluble…

Particle of which other, larger particles are composed. For example, atoms are made up of smaller particles known as electrons, protons, and neutrons. The proton and neutron, in turn, are composed of more elementary particles known as quarks. The subatomic parts of the atomic nucleus.