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词汇 olfaction
释义

Definition of olfaction in English:

olfaction

noun ɒlˈfakʃ(ə)nälˈfakSHən
mass nountechnical
  • The action or capacity of smelling; the sense of smell.

    〈技〉嗅;嗅觉

    Example sentencesExamples
    • The neuroanatomical studies indicate that NO-cGMP signaling is involved in modalities as diverse as vision, olfaction, taste, hearing, and tactile exteroception.
    • The primary function of this system is the exchange of oxygen and carbon dioxide; secondary functions are phonation and olfaction.
    • At the same time, and by the very same token, the enlarged forebrain permits increased neuronal processing of olfactory information, so the tight chemical coupling between olfaction and endocrine release is no longer so necessary.
    • This discovery suggests that this particular odorant receptor gene plays an integral role in olfaction, or sense of smell, and these results point the way to potential new methods for controlling the behavior of insects.
    • While the mechanisms of salmonid homing are not completely understood, it is known that adult salmon continuously utilize two of their primary sensory systems, olfaction and vision, during homing.
    • This relationship usually excludes any kind of reasoning; the initial effect of olfaction is the sense of being transported, especially when a long forgotten smell is freshly experienced.
    • Megachiroptera has only one family, Pteropodidae, and megabat species are either frugivorous or nectarivorous, lacking laryngeal echolocation and relying on olfaction or vision to search food.
    • On this basis, Dudley inferred that ethanol could be a foraging cue to anthropoid primates and that olfaction was a key sense for detecting and navigating towards edible fruits.
    • These involve genes related to reproduction, immunity and olfaction, suggesting that these physiological systems have been the focus of extensive innovation in rodents.
    • Less obvious in its function in sociality than sight and hearing, olfaction still mediates relationships between subjects.
    • Like olfaction, the sense of taste is a chemical sense.
    • Humans detect chemical substances in the environment through 2 sensory channels: olfaction and the chemical sense.
    • As an immunologist and neurobiologist, Mombaerts has decisively contributed to the basic mechanistic understanding of olfaction (sense of smell).
    • But even in humans, there is growing evidence that olfaction (mainly unconscious) is important in such functions as sexual preference, and recognition of other people.
    • This is especially true of processes mediated by the sense of olfaction, because wind and water currents control the dispersal of odor signals and act as ancillary cues during odor plume following.
    • But many different functions converge in the head and neck area, including vision, hearing, olfaction, locomotion (head posture), and brain volume.
    • The nurse shark relies on its sense of olfaction, touch and electrical reception.
    • Despite the importance of olfaction in mediating food flavours and protecting the organism from leaking natural gas and other environmental hazards, its clinical assessment is not standardized in clinical practice in Australia.
    • It has established prestigious five year fellowships for outstanding laboratory investigators, particularly in hearing and olfaction.
    • The males and females were presented in 1-1 Nalgene bottles with holes drilled into the covers to allow for the passage of any possible olfaction or auditory stimuli between individuals.

Derivatives

  • olfactive

  • adjective
    technical
    • Fragrance composition exhibiting varying olfactive characteristics when applied on different persons
      Example sentencesExamples
      • Structure–olfactive threshold relationships for 40 pyrazine derivatives have been studied by multivariate statistical analysis.
      • Could the defects in the structural organization also affect the olfactive bulb?
      • The Citrus Olfactive is used in both men's and women's fragrances and has a light fresh smell.
      • The polymeric nanoparticles including olfactive components have a glass temperature of >50° C.

Origin

Mid 19th century: from Latin olfactus 'a smell' (from olere 'to smell' + fact- 'made', from the verb facere) + -ion.

Definition of olfaction in US English:

olfaction

nounälˈfakSHən
technical
  • The action or capacity of smelling; the sense of smell.

    〈技〉嗅;嗅觉

    Example sentencesExamples
    • Despite the importance of olfaction in mediating food flavours and protecting the organism from leaking natural gas and other environmental hazards, its clinical assessment is not standardized in clinical practice in Australia.
    • The neuroanatomical studies indicate that NO-cGMP signaling is involved in modalities as diverse as vision, olfaction, taste, hearing, and tactile exteroception.
    • Humans detect chemical substances in the environment through 2 sensory channels: olfaction and the chemical sense.
    • But many different functions converge in the head and neck area, including vision, hearing, olfaction, locomotion (head posture), and brain volume.
    • At the same time, and by the very same token, the enlarged forebrain permits increased neuronal processing of olfactory information, so the tight chemical coupling between olfaction and endocrine release is no longer so necessary.
    • Megachiroptera has only one family, Pteropodidae, and megabat species are either frugivorous or nectarivorous, lacking laryngeal echolocation and relying on olfaction or vision to search food.
    • It has established prestigious five year fellowships for outstanding laboratory investigators, particularly in hearing and olfaction.
    • Less obvious in its function in sociality than sight and hearing, olfaction still mediates relationships between subjects.
    • But even in humans, there is growing evidence that olfaction (mainly unconscious) is important in such functions as sexual preference, and recognition of other people.
    • Like olfaction, the sense of taste is a chemical sense.
    • The primary function of this system is the exchange of oxygen and carbon dioxide; secondary functions are phonation and olfaction.
    • The males and females were presented in 1-1 Nalgene bottles with holes drilled into the covers to allow for the passage of any possible olfaction or auditory stimuli between individuals.
    • This is especially true of processes mediated by the sense of olfaction, because wind and water currents control the dispersal of odor signals and act as ancillary cues during odor plume following.
    • This relationship usually excludes any kind of reasoning; the initial effect of olfaction is the sense of being transported, especially when a long forgotten smell is freshly experienced.
    • This discovery suggests that this particular odorant receptor gene plays an integral role in olfaction, or sense of smell, and these results point the way to potential new methods for controlling the behavior of insects.
    • While the mechanisms of salmonid homing are not completely understood, it is known that adult salmon continuously utilize two of their primary sensory systems, olfaction and vision, during homing.
    • The nurse shark relies on its sense of olfaction, touch and electrical reception.
    • On this basis, Dudley inferred that ethanol could be a foraging cue to anthropoid primates and that olfaction was a key sense for detecting and navigating towards edible fruits.
    • These involve genes related to reproduction, immunity and olfaction, suggesting that these physiological systems have been the focus of extensive innovation in rodents.
    • As an immunologist and neurobiologist, Mombaerts has decisively contributed to the basic mechanistic understanding of olfaction (sense of smell).

Origin

Mid 19th century: from Latin olfactus ‘a smell’ (from olere ‘to smell’ + fact- ‘made’, from the verb facere) + -ion.

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