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Topic: Smell


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In the News (Thu 9 Jul 09)

  
  SMELL
Smell is one of the chemical senses, the other being taste.
Smells are detected in the nose by the specialised receptor cells of the olfactory epithelium.
This latter pathway is responsible for the so-called "affective" component of smell.
www.cf.ac.uk /biosi/staff/jacob/teaching/sensory/olfact1.html   (0 words)

  
 Paso Partners | Five Senses - Lesson 5: Smell
At the Drama Center, the students pantomime smelling different smells such as flowers, smoke, mud, perfume, dirty socks, rotten eggs, etc. One of the students pantomimes one event, and a partner guesses what the smell is. They take turns.
We don't always smell an odor right away because it takes time for the small particles to travel in the air and then into your nose to the nerve endings.
Smell is one of the ways we have of knowing about our world and enjoying what it has for us.
www.sedl.org /scimath/pasopartners/senses/lesson5.html   (0 words)

  
  Gawker: New York City Subway Smell Map
Created from reports sent in by Gawker readers, the map displays particular smells -- horrific and sublime -- encountered throughout New York's subway stations.
Mouse over any station to see the station name, subway lines, and types of smells to be found there.
Give us the station, subway line, and the smell you detected, and we'll incorporate your report into the map.
gawker.com /maps/smell   (95 words)

  
  Smell - LoveToKnow 1911
SMELL (connected etymologically with "smoulder" and "smoke"), a sensation excited by the contact with the olfactory region(see Olfactory Organ, for anatomy) of certain substances, usually in a gaseous condition and necessarily in a state of fine subdivision.
To excite smell it is usually supposed that substances must be present in the atmosphere in a state of fine subdivision, or existing as vapours or gases.
In some rare cases, the sense of smell is congenitally absent in human beings, and it may be much injured by the practice of snuffing or by diseases of the nose affecting the olfactory membrane.
www.1911encyclopedia.org /Smell   (2063 words)

  
 UConn  Taste and Smell Center
Smell information is processed by specialized nervous tissue at the very top of the nasal cavities.
Flavor is determined by the aroma (smell), taste (sweet, sour, salty or bitter quality), texture, temperature and spiciness (or irritation) of food and beverages.
The specialized smell tissue at the top of the nose can also be damaged by environmental agents, such as chemicals, metal dusts and wood dusts.
www.uchc.edu /uconntasteandsmell/gen.html   (977 words)

  
 MedlinePlus Medical Encyclopedia: Smell - impaired
The loss of smell is usually an insignificant result of nasal congestion or obstruction, but it can sometimes indicate a neurological disorder.
Temporary loss of the sense of smell is common with colds and nasal allergies, such as hay fever (allergic rhinitis).
The sense of smell is often lost with disorders that prevent air from reaching the part of the nose where smell receptors are located (the cribriform plate, located high in the nose).
www.nlm.nih.gov /medlineplus/ency/article/003052.htm   (748 words)

  
 B.Y. GHORAYEB, MD --OTOLARYNGOLOGY HOUSTON >Smell and Taste
Olfactory or smell nerve cells are stimulated by the odors around usthe fragrance from a gardenia or the smell of bread baking.
Smell and taste cells are the only sensory cells that are regularly replaced throughout the life span.
Smell and taste research centers supported by the NIDCD often need research patients to help their scientists study the chemosenses more intensely.
www.ghorayeb.com /SMELLTASTE.html   (1318 words)

  
 Rockefeller University scientists take on controversial 'vibration theory' of smell
The reigning theory of smell, which also is as yet unproven, is that the shape of a chemical determines how it smells - much the same way as taste works.
The findings are important in the sometimes contentious field of smell research because it is the first time vibration theory has actually been put to the rigor of a controlled and double-blind human test, the Rockefeller researchers say.
Smell is the last of the senses to be explained.
www.eurekalert.org /pub_releases/2004-03/ru-rus031604.php   (1323 words)

  
 eMedicine - Disorders of Taste and Smell : Article by Donald A Leopold, MD
Disorders of taste and smell generally have been difficult to diagnose and treat, often because of a lack of knowledge and understanding of these senses and their disease states.
Smell and taste disorders can be total (all odors or tastes), partial (affecting several odors or tastes), or specific (only one or a select few odors or tastes).
Smell and taste disorders traditionally have been overlooked in most aspects of medical practice because these specialized senses often are not considered critical to life.
www.emedicine.com /ent/topic333.htm   (5675 words)

  
 Smell Information on Healthline
Smell is the ability of an organism to sense and identify a substance by detecting trace amounts of the substance that evaporate.
But the most recent progress in studying the sense of smell and how it affects humans was made with the application of molecular science to the odor-sensitive cells of the nasal cavity.
The sense of smell differs from most other senses in its directness; humans and other mammals actually smell microscopic bits of a substance that have evaporated and made their way to the olfactory epithelium, a section of the mucus membrane in the roof of the olfactory cavity.
www.healthline.com /galecontent/smell   (631 words)

  
 Luca Turin's Theory of the Nature of the Sense of Smell
Luca Turin developed a theory that the smell of substances is based upon the frequencies of vibration of their molecules.
Strictly speaking the theory of the sense of smell developed by Luca Turin did not originate with him, but he was the one who developed it and provided the scientific support.
In 1985 Turin found the idea that the smell of a substance is determined by frequencies of vibration of its molecules from an article by R.H. Wright in a 1977 issue of the journal Chemistry and Industry.
www.applet-magic.com /turin.htm   (3328 words)

  
 smell definition - Dictionary - MSN Encarta
smell a neutral, pleasant, or unpleasant quality detected by the nerves of the nose;
scent a pleasant sweet smell such as that of a flower, or the characteristic smell given off by a particular animal or person and used as a trail;
stench a very strong unpleasant smell, especially a lingering smell associated with death or decay;
encarta.msn.com /dictionary_/smell.html   (482 words)

  
 Johns Hopkins Magazine - September 1996 Issue
You wouldn't need to identify the smell, or to have conscious memories of your mother or her garden, to feel sad when that sweet tang drifts up to the porch.
Smell in that broad sense is thought to be ancient, because its fundamental structures are similar in species all the way from fish to moths to primates.
Smell receptors in the innermost parts of the nose bond to gas molecules from the air.
www.jhu.edu /~jhumag/996web/smell.html   (1819 words)

  
 smell. The Columbia Encyclopedia, Sixth Edition. 2001-05
In humans, the organ of smell is situated in the mucous membrane of the upper portion of the nasal cavity near the septum.
The sense of smell is not as strongly developed in humans as in many other vertebrates, particularly carnivores which employ olfactory organs to locate food and detect dangerous predators.
To many invertebrates (especially insects) as well, smell is a highly developed sensory mechanism, necessary in obtaining food, in finding mating partners, and in recognizing other animals.
www.bartleby.com /65/sm/smell.html   (330 words)

  
 MEEI - Smell Disorders
Olfactory, or smell nerve cells, are stimulated by the odors around us--the fragrance of a gardenia or the smell of bread baking.
As for loss of the sense of smell, some people have hyposmia, which is when their ability to detect odor is reduced.
The sense of smell often serves as a first warning signal, alerting us to the smoke of a fire or the odor of a natural gas leak and dangerous fumes.
www.meei.harvard.edu /patient/anosmia.php   (845 words)

  
 Quoteland :: Search
If man is so generally less happy in the cities than in the country, it is because all these variations and nuances of sight and smell and sound are less clearly marked and lost in the general monotony of gray walls and cement pavements.
One scent can be unexpected, momentary and fleeting, yet conjure up a childhood summer beside a lake in the mountains; another, a moonlit beach; a third, a family dinner of pot roast and sweet potatoes during a myrtle-mad August in a Midwestern town.
Smells detonate softly in our memory like poignant land mines hidden under the weedy mass of years.
www.quoteland.com /search.asp?query=smell   (1276 words)

  
 "inQuiry Almanack" - Minutes from ME - November 1997
Smell seems to be the sense we take most for granted.
There are no galleries displaying smells like paintings, no concertos written for noses, no special menus of smells created for grand occasions; yet this is the most direct and basic of our senses.
A discussion of smells leads us to those smells we love, those we hate, those we don't mind, those that remind us of a certain occasion or place,....
sln.fi.edu /qa97/me11/me11.html   (845 words)

  
 Smell and Taste Disorders: Brain, Spinal Cord, and Nerve Disorders: Merck Manual Home Edition
A reduced ability to smell (hyposmia) and loss of smell (anosmia) are the most common disorders of smell and taste.
Permanent loss of smell results when fibers of the olfactory nerves—the pair of cranial nerves that connect smell receptors to the brain—are damaged or sheared at the roof of the nasal cavity.
Seizures originating in the part of the brain where memories of smell are stored—the middle part of the temporal lobe—may produce brief, vivid, unpleasant smells (olfactory hallucinations).
www.merck.com /mmhe/sec06/ch097/ch097a.html   (1204 words)

  
 Sense of Smell
Smell 101 is the place to start learning all about the sense of smell and the benefits of fragrance.
People recall smells with a 65% accuracy after a year, while the visual recall of photos sinks to about 50% after only three months.
We have prepared a summary of the presentations from the 2007 Annual AChemS meeting that are most pertinent to our understanding of the sense of smell and enjoyment of fragrance.
www.senseofsmell.org   (133 words)

  
 Online Etymology Dictionary
Odorous "fragrant" (1550) is from M.L. odorosus, from L. odorus "having a smell," from odor.
OED notes that it has a peculiar odor (but doesn't suggest a connection with smell); Klein suggests a connection with the way the fish melts in one's mouth.
The verb "to deprive (a word or phrase) of its meaning" is first attested 1900, so used because the weasel sucks out the contents of eggs, leaving the shell intact; the sense of "extricate oneself (from a difficult place) like a weasel" is first recorded 1925; that of "to evade and equivocate" is from 1956.
www.etymonline.com /index.php?search=smell   (1707 words)

  
 smell. The American Heritage® Dictionary of the English Language: Fourth Edition. 2000.
To use the sense of smell; perceive the scent of something.
To be suggestive; have a touch of something: a cave that smells of terror.
smell, aroma, odor, scent These nouns denote a quality that can be perceived by the olfactory sense: the smell of gas; the aroma of frying onions; hospital odors; the scent of pine needles.
www.bartleby.com /61/38/S0493800.html   (250 words)

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