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  2. Trigger zone - Wikipedia

    en.wikipedia.org/wiki/Trigger_zone

    In neuroscience and neurology, a trigger zone is an area in the body, or of a cell, in which a specific type of stimulation triggers a specific type of response.. The term was first used in this context around 1914 by Hugh T. Patrick, who was writing about trigeminal neuralgia, a condition in which pain fibers in the trigeminal nerve become hypersensitive. [1]

  3. Myofascial trigger point - Wikipedia

    en.wikipedia.org/wiki/Myofascial_trigger_point

    Myofascial trigger points (MTrPs), also known as trigger points, are described as hyperirritable spots in the skeletal muscle. They are associated with palpable nodules in taut bands of muscle fibers. [1] They are a topic of ongoing controversy, as there is limited data to inform a scientific understanding of the phenomenon.

  4. Stimulus (physiology) - Wikipedia

    en.wikipedia.org/wiki/Stimulus_(physiology)

    Homeostatic outbalances are the main driving force for changes of the body. These stimuli are monitored closely by receptors and sensors in different parts of the body. These sensors are mechanoreceptors, chemoreceptors and thermoreceptors that, respectively, respond to pressure or stretching, chemical changes, or temperature changes.

  5. Chemoreceptor trigger zone - Wikipedia

    en.wikipedia.org/wiki/Chemoreceptor_trigger_zone

    The chemoreceptor trigger zone (CTZ) is an area of the medulla oblongata that receives inputs from blood-borne drugs or hormones, and communicates with other structures in the vomiting center to initiate vomiting. The CTZ is located within the area postrema, which is on the floor of the fourth ventricle and is outside of the blood–brain ...

  6. Human body - Wikipedia

    en.wikipedia.org/wiki/Human_body

    The internal human body includes organs, teeth, bones, muscle, tendons, ligaments, blood vessels and blood, lymphatic vessels and lymph. The study of the human body includes anatomy, physiology, histology and embryology. The body varies anatomically in known ways. Physiology focuses on the systems and organs of the human body and their functions.

  7. Referred itch - Wikipedia

    en.wikipedia.org/wiki/Referred_itch

    Referred itch or mitempfindung is the phenomenon in which a stimulus applied in one region of the body is felt as an itch or irritation in a different part of the body. The syndrome is relatively harmless, though it can be irritating, and healthy individuals can express symptoms.

  8. Body schema - Wikipedia

    en.wikipedia.org/wiki/Body_schema

    Body schema is an organism's internal model of its own body, including the position of its limbs. The neurologist Sir Henry Head originally defined it as a postural model of the body that actively organizes and modifies 'the impressions produced by incoming sensory impulses in such a way that the final sensation of body position, or of locality, rises into consciousness charged with a relation ...

  9. Excitatory synapse - Wikipedia

    en.wikipedia.org/wiki/Excitatory_synapse

    In order to trigger the process of chemical synaptic transmission, upstream activity causes an action potential to invade the presynaptic terminal. This depolarizing current reaches the presynaptic terminal, and the membrane depolarization that it causes there initiates the opening of voltage-gated calcium channels present on the presynaptic ...

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