Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «F»:
Fingernail: A fingernail is produced by living skin cells in the finger. A fingernail consists of several parts including the nail plate (the visible part of the nail), the nail bed (the skin beneath the nail plate), the cuticle (the tissue that overlaps the plate and rims the base of the nail), the...
Fingerprint: 1. The characteristic dermal ridges on the finger. This is the original meaning of fingerprint.
2. The characteristic pattern of the peptide fragments of a protein that have been subjected to electrophoresis and, at a right angle, chromatography. Peptide fingerprinting was invented by ...
Fingers, six: The presence of an extra finger, a very common congenital malformation (birth defect).
This condition is called hexadactyly. The word hexadactyly literally means six digits. In medical usage, hexadactyly does not specify whether the six digits are fingers or toes (although in Greek ...
Finished DNA sequence
Finished DNA sequence: A DNA sequence in which the bases are identified to an accuracy of no more than 1 error in 10,000 and are placed in the right order and orientation along a chromosome with almost no gaps. A finished sequence is as opposed to a draft DNA sequence....
Fire ant sting
Fire ant sting: A scourge, these red or yellow ants of
small-to-medium size, originally from South America, have a severe sting that burns like
fire. Their sting-like that of bees, yellow jackets, hornets and wasps -- can trigger
allergic reactions varying greatly in severity. Avoidance and prompt t...
Fire ants: Originally from S. America. Among the worst
insect pests ever to invade the US. Red or yellowish ants of small-to-medium size with a
severe sting that burns like fire. They normally feed on small insects but, with denser
populations, they eat seeds and seedling plants, damage grain and ve...
Fire gilding: A perilous process for gold-plating in which an amalgam of mercury and gold is applied to an object and then exposed to heat to vaporize the mercury and leave the gold behind in a thin layer. Fire gilding also is applicable to plating silver, copper, and copper alloys. The process of f...
Fire supplies kit
Fire supplies kit: You and your family can cope
best by preparing for disaster before it strikes. One way to prepare
is by assembling a Disaster Supplies Kit. Once disaster hits, you
won't have time to shop or search for
supplies. But if you've gathered supplies in advance, your
family can endure...
Fire, St. Anthony's
Fire, St. Anthony's: The intensely painful burning sensation in the limbs and extremities caused by ergot, the consequence of a fungus (Claviceps purpurea) that contaminates rye and wheat.
The fungus produces substances (alkaloids) termed ergotamines that constrict blood vessels and cause the muscle...
Fireworks injury: An injury from a device for producing a striking display by the combustion of explosive or flammable compositions. Since fireworks are often used around holidays, fireworks injuries tend to cluster about holidays and can spoil them. All fireworks are potentially dangerous, especial...
First American medical journal
First American medical journal: The Medical Repository, founded in 1797 and published quarterly until 1824. The Medical Repository was the first serious attempt in the US to present the relation between science and practice in a serial format
that allowed response and communication. The Medical R...
First American medical school
First American medical school: King's College Medical School founded in New York in 1767. Its mission was fairly lofty -- to "enlarge the Mind, improve the Understanding, polish the whole Man, and qualify them to support the brightest Character in all the elevated stations in life."
King's College ...
First and second branchial arch syndrome
First and second branchial arch syndrome : See: Goldenhar syndrome....
First cranial nerve
First cranial nerve: The olfactory nerve, the nerve that permits the sense of smell. See: Olfactory nerve....
First degree burn
First degree burn: See: Burn, first degree....