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o·dor

(ō'dŏr),
Volatile emanation from any substance that stimulates the olfactory receptor cells.
Synonym(s): scent
[L.]

odor

(o´der) a volatile emanation perceived by the sense of smell.

odor

[ō′dər]
Etymology: L, a smell
a scent or smell. The sense of smell is activated when airborne molecules stimulate receptors of the first cranial nerve.

odor

Numerous, relatively uncommon conditions may be associated with typical odors of the urine and/or breath, often in Pts with inborn errors of metabolism
Odors of Biomedical interest
Acetone–Russet apples Chloroform, ethanol, isopropanol, ketoacidosis, lacquer
Acrid–pear-like  Chloraldehyde, paraldehyde; Bacteroides melaninogenicus, Prevotella melaninogenica
Ammonia  Renal failure, uremia, N-ethyl morpholine
Bitter almonds  Cyanide
Burned chocolate  Proteus spp
Cabbage  Methionine (see also Hops. ).
Camphorous  1,8-cineole
Carrots  Circutoxin
Coal gas  Carbon monoxide
Disinfectants  Phenol, creosote
Eggs, rotten  H2S, mercaptans, disulfuram (Antabuse®)
Ether-like  Ethylene chloride
Fecaloid, putrid  Clostridium spp
Fishy  Vaginal infection by Gardnerella vaginalis, 'rice-water' choleric stools;
  di-N-butylamine, diethylamine, hepatic failure
Floral (sweet, fruity) DM, acetone, ethyl- and isobutyl- acetate, phenyl methylethyl carbinol
Fruity/alcohol  Amyl nitrate, ethanol, isopropanol
Garlic  Arsenic, phosphorous, selenium, tellurium, thallium, malathion, parathion, DMSO
Grape juice  Pseudomonas spp
Halitosis  Oral infections
Hop-like  Oasthouse disease, α-hydroxybutyric acid
Maple syrup  Maple syrup urine disease
Mint  Menthone
Mothballs  Camphor-products
Mousy/musty  Phenylketonuria
Musty basement  Streptomyces spp, Nocardia spp
Musty (fish, raw liver)  Hepatic failure, zinc phosphide, pentadecanolacetone
Odorless urine Acute tubular necrosis
Peanuts  RH-787 (Vacor, see Vacor diabetes. ).
Pungent  Ethylchlorvynol; formic acid
Putrid  Dimethyldisulfide
Rancid fish Tyrosinemia
Rotting fish  Trimethylaminuria
Shoe polish  Nitrobenzene
Sour and pungent Ethyl acrylate, 2-methyl-5-ethyl pyridine, propionic acid, 2,4-pentanedione
Sweaty feet  Glutaric acidemia, type II, isovaleric acidemia
Sweet and musty Isobutylacrylate
 and rancid  2,6 butanol
 and sharp  Methylethylketone
Swimming pool  Hawkinsinuria
Tomcat urine  β-Methylcrotonylglycinuria
Violets Turpentine
Wintergreen  Methylsalicylate 

o·dor

(ō'dŏr)
Emanation from any substance that stimulates the olfactory cells in the organ of smell.
Synonym(s): smell (3) .
[L.]

odor,

n the property of a substance that gives a distinguishable smell.
Enlarge picture
Odontodysplasia.

o·dor

(ō'dŏr)
Emanation from any substance that stimulates the olfactory cells in the organ of smell.
Synonym(s): smell.
[L.]

odor,

n a scent or smell. The sense of smell is activated when airborne molecules stimulate receptors of the first cranial nerve.

odor

a volatile emanation, usually unpleasant, perceived by the olfactory sense of the clinician. See also taint.

boar odor
the rank male odor of the male pig, present in the meat of uncastrated male pigs more than 4 months old. Caused by androsterone. See also boar taint.
butyric acid odor
odor of rancid butter.
irradiation odor
meat sterilized by irradiation may develop a hydrogen sulfide odor.
sexual odor
includes boar odor. Buck goat meat has a similar taint but in other ruminants the odor is much weaker. Female odors are not noteworthy with the possible exception of the meat from a sow in estrus at the time of slaughter.

Patient discussion about odor

Q. Is there anyone here who has any information about how to treat chronic body odor? I have had this chronic body odor for over 25 years now in the groin area. I am at the end of my rope. I've seen numerous doctors who do not know very much about this condition. I would appreciate any help anybody can give me!

A. Some people have mal odor because they perspire more, either because of stress, physical activity or because of a condition known as Hyperhidrosis, which causes excessive sweating.Stress is more prevalent today. Eating certain foods can also affect how you smell. If a food is poignant enough, its smell can make it all the way through your body and come out from your pores. Garlic, cumin and curry are believed to have such properties. One of the reasons some men smell more might be because they have higher testosterone levels- testosterone influences apocrine sweat production. Then again, some guys smell badly simply because of poor hygiene. You should try avoiding different foods such as offee, cola, chocolate, and other caffeine aliments contribute to odor because they stimulate apocrine sweat glands. Drinking plenty of fluids keeps eccrine sweat glands active. This dilutes apocrine perspiration, which reduces body odor.

More discussions about odor
References in classic literature ?
But no--eventide is as pleasant to him as to me, and this antique garden as attractive; and he strolls on, now lifting the gooseberry- tree branches to look at the fruit, large as plums, with which they are laden; now taking a ripe cherry from the wall; now stooping towards a knot of flowers, either to inhale their fragrance or to admire the dew-beads on their petals.
The pleasant days of Spring and Summer passed away, and in little Annie's garden Autumn flowers were blooming everywhere, with each day's sun and dew growing still more beautiful and bright; but the fairy flower, that should have been the loveliest of all, hung pale and drooping on little Annie's bosom; its fragrance seemed quite gone, and the clear, low music of its warning chime rang often in her ear.
When first the Fairy placed it there, she had been pleased with her new gift, and for a while obeyed the fairy bell, and often tried to win some fragrance from the flower, by kind and pleasant words and actions; then, as the Fairy said, she found a sweet reward in the strange, soft perfume of the magic blossom, as it shone upon her breast; but selfish thoughts would come to tempt her, she would yield, and unkind words fell from her lips; and then the flower drooped pale and scentless, the fairy bell rang mournfully, Annie would forget her better resolutions, and be again a selfish, wilful little child.
The memory of her forest dream had never passed away, and through trial and temptation she had been true, and kept her resolution still unbroken; seldom now did the warning bell sound in her ear, and seldom did the flower's fragrance cease to float about her, or the fairy light to brighten all whereon it fell.
Among the former he showed her a small vial, in which, he remarked, was contained a gentle yet most powerful fragrance, capable of impregnating all the breezes that blow across a kingdom.
Methinks it is like water from a heavenly fountain; for it contains I know not what of unobtrusive fragrance and deliciousness.
He lifted his head to taste the breeze which came sweeping across from the Surrey Downs, keenly relishing the fragrance of the new-mown hay and the faint odour of pines from the distant dark-crested hill.
It smelt so sweet that all cares and sorrows were forgotten by him who inhaled its fragrance.
And verily, already hath thy breath the fragrance of future songs,--
She was like a fine flower, already past its bloom and without fragrance, though the petals were still unwithered.
The more attentively she watched every movement of my brush, the more closely I was breathing the perfume of her hair, and the warm fragrance of her breath.
But old Christmas smiled as he laid this cruel-seeming spell on the outdoor world, for he meant to light up home with new brightness, to deepen all the richness of indoor color, and give a keener edge of delight to the warm fragrance of food; he meant to prepare a sweet imprisonment that would strengthen the primitive fellowship of kindred, and make the sunshine of familiar human faces as welcome as the hidden day-star.