olfacto-, olfact- +
From Latin olfactorius, from olfactus, olfacere, "to get the smell of, to sniff"; from olere, "to smell" + facere, "to make, to do".
anterior olfactory nucleus, nucleus olfactorius anterior
A nucleus located in the olfactory tract and prominent in microsmatic animals.
It receives input from the olfactory bulb and projects to the bulb, to other targets of olfactory fibers, and to its contralateral counterpart.
electro-olfactogram, electroolfactogram, EOG
1. An electronegative wave of potential (electric tension or pressure) occurring on the surface of the olfactory epithelium (outside layer of cells) in response to stimulation by an odor.
2. The slow negative monophasic potential obtained from an electrode in contact with the olfactory epithelium of the nose in response to stimulation by an odorant.
The amplitude of the response has a logarithmic relationship to the intensity of the odor.
fila olfactoria, olfactory nerves
A collective term referring to the numerous olfactory filaments which are slender fascicles each composed of the thin, unmyelinated axons of eight to twelve of the bipolar olfactory receptor cells in the olfactory portion of the nasal mucosa.
The olfactory filaments pass through the cribriform plate of the ethmoid bone and enter the olfactory bulb, where they terminate in synaptic contact with mitral cells, tufted cells, and granule cells.
A unit of odor, the minimum perceptible odor, being the minimum concentration of a substance in solution which can be perceived by a large number of normal individuals, expressed in terms of grams per liter.
Any substance capable of eliciting olfactory excitation; that is, stimulating the sense of smell; an odorant.
That which can be smelled or being able to smell.
A descriptive term referring to the olfactory senses or the sense of smell.
The unit of smell; the threshold of olfactory stimulation, or the point at which the smell is just received in the olractometer.
1. The sense of smell or the ability to perceive and distinguish odors.
2. The act of smelling, perceiving, and distinguishing odors.
A sensation of smell produced by other than olfactory stimuli.
The scientific study of the sense of smell; osmics.
1. An apparatus for testing the sensitiveness of odor perceptions.
2. A device for estimating the sensitivity to odorants.
1. The measurement of the sense of smell.
2. The determination of the degree of sensitivity to odorants.
In psychiatry, a sexual perversion in which odor (especially genital, anal, or axillary) is necessary, or at least desirable, for sexual arousal and orgasm.
olfactophobia; osmophobia, osphresiophobia
1. An extreme hatred or fear of having certain odors.
2. A morbid fear of odors.
Inter-related cross references, directly or indirectly, involving word units meaning "smell, odor":