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1. the ability to perceive or feel
2. the condition of a plant of being susceptible to external influences, esp attack by parasites



(physiology), the capacity of a living organism to perceive stimuli from the external or internal environment.

An organism’s sensitivity to corresponding stimuli varies with the sensitivity of its sensory systems (analyzers). Sensibility is characterized by the threshold of stimulation: the lower the threshold, the higher the sensibility. A distinction is made between absolute and differential sensibility, that is, discriminative sensibility, and, accordingly, absolute and differential thresholds of stimulation. The absolute threshold is the minimum force of stimulation capable of producing a reaction. The differential threshold is the minimum amount of stimulation that has to be changed in order to change the response. Somatosensory sensibility (cutaneous sensibility and proprioceptive, that is, musclejoint, sensibility), visceral sensibility, and sensibility based on the activity of the sense organs are distinguished according to the sensory systems responsible for the perception of stimulation. Cutaneous sensibility is sometimes divided into coarse, protopathic, sensibility and fine, epicritic, sensibility. With respect to the type of stimulus, one can speak of sensitivity to mechanical, chemical, light, temperature, and other stimuli.

The sensibility of an organism may be judged from sensations and from objective criteria, for example, autonomic reactions and bioelectrical reactions. The thresholds, which are determined by various methods, may differ. For example, photosensitivity, determined from the bioelectrical activity of the brain, is higher than sensibility determined from the verbal responses of a subject regarding his sensations. Sensitivity to a stimulus is not a constant quantity and may change under the influence of a variety of factors, for example, during physiological adaptation, under the influence of efferent regulation, and as a result of the action of other stimuli. Pathological processes may cause a variety of disturbances of sensibility, depending on the place where a sensory system is affected: the peripheral portion (receptor), the conducting portion, or the central (including the cortical) portion.


Granit, R. Elektrofiziologicheskoe issledovanie retseptsii. Moscow, 1957. (Translated from English.)
Fiziologiia sensornykh sistem, part 2. Leningrad, 1972. (Rukovodstvo pofiziologii.)



The ability of a magnetic compass card to align itself with the magnetic meridian after deflection.
References in periodicals archive ?
In part this is because nostalgia and middle-class sensibilities in Britain took on very different forms than they did in the United States.
Virtual space, for example, is an "appearance" or "semblance"-an aesthetically expressed embodiment of the sensibilities and aspirations of a particular group (Chapter 5 and following).
Furthermore, should not Davis's concern with the religious and theological sensibilities expressed in the ideology of slavery have resulted in his paying some attention to the skepticism that seems to mark Douglass's perspective?
Such subtle manipulations of the audience suggest to me the post-Cold War (European) sensibilities of a left of-center and mildly anti-American media-savvy generation.
The team will only work well, or even work at all, if every member keeps everyone else's sensibilities and sore spots in mind.
She finds that certain American work - such as the Hudson River School, with its dramatic landscapes and subtle coloring - has particular appeal to Japanese sensibilities.
Charlotte Smith's novels pitted the expansive sensibilities of her heroines against both the French and English anciens regimes of narrow moralities and allegiances.
Her work appears in Persuasions, Persuasions On-Line, Sensibilities, European Romantic Review, and Victorian Poetry.
Jen Charlton has practiced massage therapy and esthetics and is a co-owner of Sensibilities Natural Body Care and Day Spa, with two locations in Asheville, NC.
As Miss Austen illustrates, allowing ourselves to be ruled by our sensibilities often results in situations that don't seem to make sense.
This diffusion of western sensibilities to embrace the children of the globe is a significant ingredient of globalization.
A fourth approach starts from the story's own perspective but proceeds to use films, novels, and epics as means to an end, appropriating any insights or sensibilities gained as opportunities to enhance personal growth.