Category: E

  • Epiphytotic

    Some experts limit the use of the term “epidemic” to describe diseases that affect humans. To describe diseases that affect plants, the term “epiphytotic” is used, while “epizoétic” refers to diseases in animals. The study of plant epidemics is called “epiphytotiology,” though some mistakenly refer to it as “epiphytology,” which actually refers to the study…

  • Endogenous inhibitor

    An organism can produce a substance that at a low concentration, inhibits the growth of itself or another organism or some physiological process associated with growth. This is known as a growth inhibitor. In higher plants, growth inhibitors like abscisic acid (ABA) exhibit a distinct characteristic their effects can be countered by specific growth promoters,…

  • Endemic disease

    A malady that has taken root in a particular geographic region, typically encompassing a nation or a portion thereof, and has become firmly established in a state of moderate to severe severity. Within the realm of infectious diseases, there exists a category of ailments that frequently manifest within a specific geographical locale. These diseases demonstrate…

  • Effective inoculum dose:

    The amount of inoculum which is available for penetration of the plant tissues. This may be equivalent to the inoculum concentration used or only a proportion of it, e.g. in leaf scar inoculations the amount of inoculum which enters is dependent upon vascular tension in the plant and rate of evaporation etc.  

  • Edaphosphere

    The soil that lies beyond the rhizosphere, where plant roots no longer hold sway, is a subject of great intrigue to soil scientists and researchers. This region is known as the bulk soil, where a diverse array of microorganisms, minerals, and organic matter interact with each other in complex and fascinating ways. The perplexing nature…

  • Endogenous opioids

    Naturally occurring opioid peptides within the body. Substances, produced naturally by the brain and by other tissues that modulate pain sensitivity. Their collective name indicates their similarity to the opiates (morphine, codeine, heroin) produced from plants such as the opium poppy, which bind to the same molecular receptors in the brain that are the targets…

  • External unstable attribution

    Causal attributions that the target person’s behavior is due to temporary situational factors.  

  • Externalizing disorders

    Psychological disorders like substance abuse or dependence that are characterized by an outward expression of pathology. The convoluted realm of psychological conditions unveils itself when individuals manifest their internal unrest or strife upon the world around them. These enigmatic disorders, known as externalizing disorders, exhibit three paramount facets: disruption, hyperactivity, and aggression.  

  • Expressive writing

    A therapeutic writing exercise in which participants are asked to write their thoughts and feelings about their most upsetting and traumatic experiences.  

  • Explanatory style

    The patterns of causal inferences people make about why things happen to them.