General term for cells that translate stimuli, like those of drugs, into nerve impulses
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Stimulus (physiology) - Wikipedia  In physiology, a stimulus (plural stimuli) is a detectable change in the internal or external ... If these nerves do not detect stretching, the body determines perceives low .... In general, cellular response to stimuli is defined as a change in state or ... the basis for the conversion of the mechanical stimulus into an electrical signal.
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Ion Channels and the Electrical Properties of Membranes - NCBI  These channels are discussed in Chapter 19 and will not be considered further here. ... Search term ... Nerve cells (neurons), in particular, have made a specialty of using ion ..... Like the Na+ channel, voltage-gated K+ channels can inactivate. .... Transmitter-gated Ion Channels Convert Chemical Signals into Electrical Ones...
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Unit 3 Handout  nervous system glia (glial cells) provide support for the neurons. ... Axon - This structure carries the neural impulse resulting in the output of information. ..... Prolonged abuse of these drugs results in fourth and fifth functions being affected in much .... general term for the various methods employed to transform physiological...
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Receptor | Define Receptor at Dictionary.com  Receptor definition, Physiology. an end organ or a group of end organs of ... Cell Biology. any of various specific protein molecules in surface membranes of cells ... If you had been plugged into the receptor like I was a few minutes ago and ... (physiol) a sensory nerve ending that changes specific stimuli into nerve impulses.
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Chapter 4 Key Terms Flashcards | Quizlet  Translation of sound waves into auditory nerve signals through the action of .... One of the three bones in the middle ear that help to transduce sound into nerve impulses .... The technical term for the rods and cones; the cells that transduce light ... stimuli and the translation (transduction) of those stimuli into action potentials.
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Communication Between Nerve Cells  Touching very close against the dendrite of another cell (but without material continuity ... The whole point of the nervous system is to control and coordinate body ... When a nerve signal, or impulse, reaches the ends of its axon, it has traveled as ... continuity between one neuron and the next; there is a gap called synapse.
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Olfaction - Wikipedia  Olfaction, also known as olfactics, is the sense of smell. This sense is mediated by specialized .... Mitral cells, located in the inner layer of the olfactory bulb, form synapses with .... This distributed code allows the brain to detect specific odors in mixtures of ..... Research arm of international fragrance industry's The Fragrance...
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Electrolytes Flashcards | Quizlet  A specific kind of diffusion in which water moves across cell membranes, ... space and cells into the vascular compartment to equalize the concentration ... Pressure that results in the movement of the fluid and solutes out of a compartment. ... and potassium ion concentrations of ECF and ICF via the sodium-potassium pump.
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cell facts, information, pictures | Encyclopedia.com articles about cell  Cell. The cell is the basic unit of a living organism. In multicellular organisms ... Nerve cells, or neurons, are another kind of specialized cell whose form reflects function. ... Cytoplasm: The semifluid substance of a cell containing organelles and .... Some eukaryotic cells move about by means of microtubules attached to the...
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Endorphins - Wikipedia  Endorphins are endogenous opioid neuropeptides in humans and other animals. They are ... It consists of two parts: endo- and -orphin; these are short forms of the words endogenous and morphine, intended to mean "a ... Endorphins are naturally produced in response to pain, but their production can also be triggered by...
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1  Perception generally precedes sensation in our processing of a stimulus. b. ... Which of the following most closely approximates the meaning of the term noise as .... Which of the following statements best describes the path of optic nerve impulses in the brain? ... Cones responsive to blue light in the retina begin responding.
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Dendrites are projections from this type of cell # Quiz # Question ...  Jun 29, 2016 ... This type of photoelectric cell converts sunlight to energy # Quiz # Question ... You're watching a cell go through this process, Greek for thread...
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Electrical activity of cells, tissues and organs - WikiLectures  Dec 20, 2015 ... A nerve impulse is a wave of electrical activity that passes from one end of ... EEG refers to the recording of the brain's spontaneous electrical...
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PSCF3-00Bergman.html.ori - American Scientific Affiliation  A layer of light-sensitive cells (rods and cones) stimulate nerve endings from one or more ... Most invertebrates possess a verted-type eye; most vertebrates (including .... Vision functions by a change in the retina photopigments molecule caused by light. ..... A cat's night vision is estimated to be six times better than humans.
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Ch. 10 Flashcards  Subject. Physiology. Level. Undergraduate 1. Created. 03/18/2009 ... They are receptors that respond with a burst of activity when the stimulus is first ... Our perceptions are products of our brains; they relate to physical reality only ..... Since the fovea centralis is the point of the retina that provides the highest visual acuity due...
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Epinephrine | definition of epinephrine by Medical dictionary  a hormone produced by the adrenal medulla; called also adrenaline (British). ... Epinephrine is a powerful vasopressor that increases blood pressure and ... the release of glucose from the liver, so that a person has a suddenly increased feeling ... and other metabolic effects; used in the treatment of bronchial asthma, acute...
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THE NERVOUS SYSTEM - LeavingBio.net  Dendrites Receive STIMULUS (Action Potentials) and carry IMPULSES ... The Axon Ends in a series of small swellings called AXON TERMINALS. ... Relays messages from receptors to the brain or spinal cord. ... These gaps allow the impulses to travel faster than if they travelled along...
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Quia - Biology Chapter 38 - Nervous System  Sensory Neurons, Neurons that transmit impulses from sense organs - such as the ears and ... The difference in electric potential between the two sides of a cell membrane ... Optic nerve, Nerve that carries impulses from the eye to the brain.
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Organization of the Nervous System  It is a dorsal root ganglion cell, or primary sensory neuron. ..... AXONS of neurons with cell bodies located in the brain stem leave the CNS with cranial nerves 3,...
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Nervous system - CreationWiki, the encyclopedia of creation science  Dec 15, 2014 ... The cells in nervous tissue that generate and conduct impulses are called neurons or ... axon of one nerve cell to the impulse-receiving dendrites of the next nerve cell. ... Nerve cells, called neurons, are specialized to receive the ... They also help keep the proper ionic environment around the neurons.
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Free Flashcards about BIOLOGY - StudyStack  PART OF BIOLOGY, THIS -OLOGY STUDIES HOSTED ORGANISMS LIKE TAPEWORMS, PARASITOLOGY .... ARCHITECTURAL TERM FOR THE MINIMAL STIMULUS THAT STARTS A NERVE IMPULSE, LIKE PAIN, THRESHOLD.