chemoreceptors
Special protein receptors in the plasma membrane or periplasmic space that bind chemicals and trigger the appropriate chemotaxic response.

Microbiology. . 2009.

Look at other dictionaries:

  • chemoreceptors — n. receptor activated by chemicals …   English contemporary dictionary

  • central chemoreceptors — chemoreceptors in the brain that monitor the pH of the cerebrospinal fluid; an increase in CO2 causes increased respiration. Their location is thought to be on the ventral surface of the medulla oblongata …   Medical dictionary

  • peripheral chemoreceptors — chemoreceptors, located mainly in the carotid and aortic bodies, with a few associated with other arteries of the thorax and abdomen, that monitor oxygen, carbon dioxide, and hydrogen ion concentration and help to control respiration …   Medical dictionary

  • Peripheral chemoreceptors — act most importantly to detect variation of the oxygen in the arterial blood, in addition to detecting arterial carbon dioxide and pH. These nodes, called the aortic body and carotid body, are located on the arch of the aorta and on the common… …   Wikipedia

  • Central chemoreceptors — of the central nervous system, located on the ventrolateral medullary surface, are sensitive to the pH of their environment. These act to detect a change in pH of the cerebral spinal fluid that are indicative of a change in oxygen or carbon… …   Wikipedia

  • respiration, human — ▪ physiology Introduction       the process by which oxygen is taken up and carbon dioxide discharged. The design of the respiratory system  The human gas exchanging organ, the lung, is located in the thorax, where its delicate tissues are… …   Universalium

  • Chemoreceptor — A chemoreceptor, also known as chemosensor, is a sensory receptor that transduces a chemical signal into an action potential. In more general terms, a chemosensor detects certain chemical stimuli in the environment. Contents 1 Classes 2 Cellular… …   Wikipedia

  • Chemosensor — A chemosensor, also known as chemoreceptor, is a sensory receptor that transduces a chemical signal into an action potential. Or, more generally, a chemosensor detects certain chemical stimuli in the environment. Classes There are two main… …   Wikipedia

  • chemoreception — chemoreceptive /kee moh ri sep tiv, kem oh /, adj. /kee moh ri sep sheuhn, kem oh /, n. the physiological response to chemical stimuli. [1915 20; CHEMO + RECEPTION] * * * Sensory process by which organisms respond to external chemical stimuli, by …   Universalium

  • Control of respiration — Control of ventilation refers to the physiological mechanisms involved in the control of physiologic ventilation. Gas exchange primarily controls the rate of respiration. The most important function of breathing is gas exchange (of oxygen and… …   Wikipedia

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