- adequate stimulus
- a stimulus of the specific form of energy to which the receptor is most sensitive; called also homologous s.
Medical dictionary. 2011.
Medical dictionary. 2011.
Adequate stimulus — The adequate stimulus is a property of a sensory receptor that determines the type of energy to which a sensory receptor responds to with the initiation of sensory transduction.A sensory receptor s adequate stimulus is determined by the signal… … Wikipedia
adequate stimulus — noun : a stimulus that acts only on an especially adapted end organ light is an adequate stimulus of the rods and cones of the retina … Useful english dictionary
stimulus — 1. A stimulant. 2. That which can elicit or evoke action (response) in a muscle, nerve, gland or other excitable tissue, or cause an augmenting action upon any function or metabolic … Medical dictionary
homologous stimulus — adequate s … Medical dictionary
Noxious stimulus — A noxious stimulus is an actually or potentially tissue damaging event. [1] It is a prerequisite for nociception, which itself is a prerequisite for nociceptive pain[1] Noxious stimuli can either be mechanical (e.g. pinching or other tissue… … Wikipedia
nervous system, human — ▪ anatomy Introduction system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… … Universalium
sensory reception, human — Introduction means by which humans react to changes in external and internal environments. Ancient philosophers called the human senses “the windows of the soul,” and Aristotle described at least five senses sight, hearing, smell, taste, and… … Universalium
All-or-none law — The all or none law is the principle that the strength by which a nerve or muscle fiber responds to a stimulus is not dependent on the strength of the stimulus. If the stimulus is any strength above threshold, the nerve or muscle fiber will… … Wikipedia
Sensory receptor — In a sensory system, a sensory receptor is a structure that recognizes a stimulus in the internal or external environment of an organism. In response to stimuli the sensory receptor initiates sensory transduction by creating graded potentials or… … Wikipedia
Reflex hammer — A reflex hammer is a medical instrument used by physicians to test deep tendon reflexes. Testing for reflexes is an important part of the neurological physical examination in order to detect abnormalities in the central or peripheral nervous… … Wikipedia