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When a nerve impulse reaches the spinal cord, endorphins that prevent nerve cells from releasing more pain signals are released.
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When and nerve
When brain tissue from a CJD patient is examined under a microscope, many tiny holes can be seen where whole areas of nerve cells have died.
When the myelin sheath is damaged, nerve signals are slower, and this can be measured by a common neurological test, electromyography.
When the antidromic stimulus reaches the motor neuron cell bodies, a small portion of the motor neurons backfire and orthodromic wave travels back down the nerve towards the muscle.
When myelin degrades, conduction of signals along the nerve can be impaired or lost and the nerve eventually withers.
When myelin degrades, conduction of signals along the nerve can be impaired or lost, and the nerve eventually withers.
When a normally functioning motor nerve is stimulated it releases the neurotransmitter acetylcholine, which transmits the impulse to a muscle or organ.
When a signal comes down an axon, the synaptic vesicles fuse with the cell membrane releasing the neurotransmitter so that it can be detected by receptor molecules on the next nerve cell.
When the median nerve is compressed, as in CTS, it will conduct more slowly than normal and more slowly than other nerves.
When bright light is shone on the eye light sensitive cells in the retina, including rod and cone photoreceptors and melanopsin ganglion cells, will send signals to the oculomotor nerve, specifically the parasympathetic part coming from the Edinger-Westphal nucleus, which terminates on the circular iris sphincter muscle.
When she died he lost his nerve.
When used for ED, a purpose-designed vacuum pump is used to produce an erection by simple mechanical and hydrodynamical action in spite of vascular or nerve damage, and the ring slid off the pump's cylinder onto the base of the penis to maintain the erection before it is lost.
When Gardanne's division was exhausted, Victor pulled it back behind the Fontanone and committed his second division under GdD Chambarlhac ( this officer soon lost his nerve and fled ).
When Swammerdam caused the muscle to contract by irritating the nerve, the water level did not rise but rather was lowered by a minute amount ; this showed that no air or fluid could be flowing into the muscle.
When the nerve is injured, Schwann cells can dedifferentiate to form a cell type resembling the immature Schwann cell, often referred to as a denervated or dedifferentiated Schwann cell.
When it is used on specific nerve pathways ( nerve block ), effects such as analgesia ( loss of pain sensation ) and paralysis ( loss of muscle power ) can be achieved.
When the Master one day finds that diary and confronts Will, the boy kills him with a punch to a sensitive nerve cluster in order to maintain his secret.
Most transmissions occur in two stages: When stimulated, the preganglionic nerve releases ACh at the ganglion, which acts on nicotinic receptors of postganglionic neurons.
When one develops a prolapsed disc the jelly / nucleus pulposus is forced out of the doughnut / disc and may put pressure on the nerve located near the disc.
When the radial nerve reaches the distal part of the humerus, it passes anteriorly to the lateral epicondyle and continues in the forearm.
When the film was shown to a meeting of otologists later in 1972, it convinced the scientific community that meaningful sound could be conveyed to the brain by electrical stimulation of the auditory nerve.
When and impulse
When they reached their neighbor's house, Pamela said a few polite words to Grace and kissed Melissa lightly on the forehead, the impulse prompted by a stray thought -- of the type to which she was frequently subject these days -- that they might never see one another again.
When the Laplace transform is performed on a discrete-time signal ( with each element of the discrete-time sequence attached to a correspondingly delayed unit impulse ), the result is precisely the Z transform of the discrete-time sequence with the substitution of
When such a system is subject to an impulse ( or any signal of finite duration ) it will respond with an output waveform which lasts past the duration of the input, eventually decaying exponentially in one or another manner, but never completely settling to zero ( mathematically speaking ).
When burned with oxygen, hydrogen gives the highest specific impulse of any commonly used fuel: around 450 seconds, compared with up to 350 seconds for kerosene.
When calculating specific impulse, only propellant that is carried with the vehicle before use is counted.
When this impulse hits the surface of the medium to be measured, part of the impulse reflects back up the wave guide.
When he sees his favourite mosque, a rather ramshackle but beautiful structure, he enters on impulse.
When this uniform, collimated field is multiplied by the FT plane mask, and then Fourier transformed by the second lens, the output plane field ( which in this case is the impulse response of the correlator ) is just our correlating function, g ( x, y ).
When their ship dropped anchor, O ' Neill seems to have joined them on impulse.
When this folk-inspired impulse combined with the solitary and individualistic impulse of the Churchyard Poets, Romanticism was nearly inevitable.
When one of the instincts produces anxiety by exerting pressure on the ego either directly or by way of the superego, the ego may try to sidetrack the offending impulse by concentrating upon its opposite.
When an escape wheel tooth is resting against one of these faces, its force is directed through the anchor's pivot axis, so it gives no impulse to the pendulum, allowing it to swing freely.
When a motor unit fires, the impulse ( called an action potential ) is carried down the motor neuron to the muscle.
When a person touches a hot object and withdraws their hand from it without thinking about it, the heat stimulates temperature and danger receptors in the skin, triggering a sensory impulse that travels to the central nervous system.
When subjected to an impulse load, the snubber becomes activated and acts as a restraint in order to restrict pipe movement.
When there is compression at optic chiasm the visual impulse from both nasal retina are affected, leading to inability to view the temporal, or peripheral, vision.
When oil in a pan is on fire, the natural impulse may be to extinguish it with water.
When a boxcar function is selected as the impulse response of a filter, the result is a moving average filter.
When a transaction that involves cash is completed, the register sends an electrical impulse to a solenoid to release the catch and open the drawer.
When The Lovers appear in a spread, it typically draws the Querent's attention to whatever impulse drove her from home, to whatever impulse made him move out, reject the faith of his fathers, made him accept the call.
When and reaches
When disruptive change has penetrated to the third level of social order, the process of disruption rapidly reaches a point of no return.
When this water level has been reached, inject steam into the wheel until the temperature reaches that shown in Column B of Table 2.
When gastric hydrochloric acid reaches the nerves in the gastrointestinal mucosa, they signal pain to the central nervous system.
Neurons generate electrical signals that travel along their axon s. When a pulse of electricity reaches a junction called a synapse, it causes a neurotransmitter chemical to be released, which binds to receptors on other cells and thereby alters their electrical activity.
When the child reaches skeletal maturity ( 18 to 25 years of age ), all of the cartilage is replaced by bone, fusing the diaphysis and both epiphyses together ( epiphyseal closure ).
When the total vapor pressure reaches the pressure surrounding the liquid, boiling occurs and liquid turns to gas throughout the bulk of the liquid.
When the process of escape and return reaches an equilibrium, the vapor is said to be " saturated ," and no further change in either vapor pressure and density or liquid temperature will occur.
) When the orthodromic stimulus reaches the muscle fiber, it elicits a strong M-response indicative of muscle contraction.
When a particular substance, whether chemical or biotic — reaches unsafe levels in the bloodstream, the body can effectively dilute — or at least maintain equilibrium of — the offending substances by storing it in new fat tissue.
When a pilot moves the control column ( or sidestick ), a signal is sent to a computer ( analogous to moving a game controller ) the signal is sent through multiple wires ( channels ) to ensure that the signal reaches the computer.
When the actuator reaches the desired position, the two signals ( incoming and outgoing ) cancel each other out and the actuator stops moving ( completing a feedback loop ).
When he finally reaches the cables, Andoh tries to stop him from releasing them.
A Power stroke: When the piston reaches a point just before top dead center, the spark plug ignites the fuel mixture.
When it reaches the towns of Saugatuck and Douglas it stops and enters Lake Michigan.
When this news of his family ’ s execution reaches him, Macduff is stricken with grief and vows revenge.
When the voltage of C1 right-hand plate ( Q2 base voltage ) becomes positive and reaches 0. 6 V, Q2 base-emitter junction begins diverting a part of R2 charging current.
When the water reaches the coastline, the corresponding coastal ponds, both freshwater and brackish, fill to capacity and beyond, spilling over into the sea.
When the timer reaches 0: 00, the blinds go to a higher level.
When the air reaches a high altitude, where the temperature is low, water vapor condenses into clouds, which rain onto the Earth's surface, completing the water cycle.
When a neurotransmitter is released at a synapse, it reaches its highest concentration inside the narrow space of the synaptic cleft, but some of it is certain to diffuse away before being reabsorbed or broken down.
When the game score reaches three points each, the receiver chooses which side of the court ( advantage court or deuce court ) the service is to be delivered on the seventh and game-deciding point.
When the incident angle is increased sufficiently, the transmitted angle ( in air ) reaches 90 degrees.
# When a pair reaches 5 points in the final game, the pairs must switch ends of the table and the team that receives the service must switch receiver.
When the bus reaches its destination, the passengers on the bus — including the narrator — are gradually revealed to be ghosts.
0.282 seconds.