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An illustration of a young girl smelling a rose.

Girl Smelling Rose

An illustration of a young girl smelling a rose.

deodorizers are consumer products that mitigate unpleasant odors in indoor spaces. They can be in the form of candles aerosol sprays, diffusers or mechanical heating products like this one. The heater works by disinfection, the odors caused by bacterial activity can be eliminated by disinfectants.

Deodorizing Heater

deodorizers are consumer products that mitigate unpleasant odors in indoor spaces. They can be in the…

An air freshener that disinfects and cleans rooms from unpleasant odors.

Hygiene Lamp

An air freshener that disinfects and cleans rooms from unpleasant odors.

"Nasal Cavities, seen from Below. The sense of smell is located in the membrane which lines the cavities of the nose. This delicate membrane, over which the fibers of the olfactory nerves, or the nerves of smell, are distributed, is kept continually mois by the mucus which it secretes." — Blaisedell, 1904

Nasal cavities

"Nasal Cavities, seen from Below. The sense of smell is located in the membrane which lines the cavities…

The nasal fossae seen from behind.

Back View of the Nasal Fossae

The nasal fossae seen from behind.

The nasal fossae (cavum nasi) are two irregular cavities in the middle of the face, separated by the septum nasi, opening in front by the anterior nares, behind by the posterior nares (choanae) into the naso-pharynx.

The Nasal Fossae

The nasal fossae (cavum nasi) are two irregular cavities in the middle of the face, separated by the…

"A tiny block of tissue from the membrane lining the inner surface of the nose. Note the hundreds of cillia and the gland m which gives out the slippery white or colorless fluid called mucus." —Davison, 1910

Section of Nasal Tissue

"A tiny block of tissue from the membrane lining the inner surface of the nose. Note the hundreds of…

"<em>A</em>, branches of the nerves of smell; <em>B</em>, nerves of touch to the nostrils; <em>E, F, G,</em> nerves to the palate springing from a ganglion at <em>C</em>; <em>H</em>, a branch of the facial nerve, from which which other branches <em>D, I,</em> and <em>J</em>, spring to be distributed to the nostrils." — Blaisedell, 1904

Nerves of the Nostril

"A, branches of the nerves of smell; B, nerves of touch to the nostrils; E, F,…

The prominent part of the face, which is the organ of smell.

Nose

The prominent part of the face, which is the organ of smell.

An illustration of a human nose.

Human Nose

An illustration of a human nose.

"A fetid animal of the American genus <i>Mephitis, M. mephitica</i>... The animal inhabits all of temperate North America, and continues abundant in the most thickly settled regions. It is about as large as a house-cat, but stouter-bodied, with shorter limbs, and very long bushy tail, habitually erected or turned over the back. The color is black or blackish, conspicuously but to a variable extent set off with pure white- generally as a frontal stripe, a large crown-spot, a pair of broad divergent bands along the side of the back, and white hairs mixed with the black ones of the tail." &mdash;Whitney, 1889

Common Skunk

"A fetid animal of the American genus Mephitis, M. mephitica... The animal inhabits all of temperate…

The sense of smell is closely allied with the sense of taste. The organs of the sense of smell are simple nerve-endings in papillae or pits. The substance to be smelled must come to the organs of smell as a gas or vapor. This example shows the smelling pits on the expanded terminal segments on the antenna of a leaf-eating beetle.

Sense of Smell

The sense of smell is closely allied with the sense of taste. The organs of the sense of smell are simple…

&quot;I believe he'd sell the steelyards that Jestice weighs things in, if he could git a few cents of 'em.&quot; -Holley, 1896

Uncle Sam

"I believe he'd sell the steelyards that Jestice weighs things in, if he could git a few cents…

An illustration of a woman smelling a towel.

Woman Smelling Towel

An illustration of a woman smelling a towel.