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When a lymph node detects a possible threat passing into it in the lymph ( such as a bacterium ), it swells up.
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When and lymph
When health conditions warrant, immune system organs including the thymus, spleen, portions of bone marrow, lymph nodes and secondary lymphatic tissues can be surgically excised for examination while patients are still alive.
When the thoracic duct-venous communication is blocked, however, the resultant raised intralymphatic pressure will usually cause other normal non-functioning communications to open and thereby allow the return of lymph to the blood stream.
When a B-cell in the lymph node recognizes the same unprocessed surface antigen on the bacterium with its surface bound antibody, the antigen is endocytosed and processed.
When the prions are absorbed through the intestines, they first appear in the lymph nodes, especially in Peyer's patches at the small intestine.
When the thoracic duct is blocked or damaged a large amount of lymph can quickly accumulate in the pleural cavity, this situation is called chylothorax.
When a paraaortic lymph node dissection or sampling is done as a part of the treatment of cancer, the lateral aortic lymph node group is the most important group.
When a lumpectomy is performed for DCIS, lymph node biopsy and radiation therapy may be performed.
When metastasis does occur, it is usually to the liver, spleen, lymph nodes and bone marrow.
When the hilar lymph node for instance is infected with tuberculosis and leads to caseous necrosis, its gross appearance can be a cheesy tan to white, which is why this type of necrosis is often depicted as a combination of both coagulative and liquefactive necrosis.
When the head of the operating room table is lower than the heart, fluid accumulates in tissues of the head because venous return and lymph drainage are decreased.
When an infection is present, the lymph nodes swell, produce more white blood cells, and attempt to trap the organisms that are causing the infection.
When cancer has not spread to the locoregional lymph nodes ( stage II, Dukes B ) the benefit of chemotherapy is marginal and the decision on whether to give adjuvant chemotherapy should be carefully evaluated by discussing with the patient the realistic benefits and the possible toxic side effects of treatment.
When and node
When a key is requested, first the node checks the local data store.
When the user wants to do a search, the client sends the request to each actively connected node.
When a node first starts, it only knows of its immediate neighbours, and the direct cost involved in reaching them.
When applying link-state algorithms, each node uses as its fundamental data a map of the network in the form of a graph.
When applied to a bus-based network, this central hub rebroadcasts all transmissions received from any peripheral node to all peripheral nodes on the network, sometimes including the originating node.
When a node x is accessed, a splay operation is performed on x to move it to the root.
When a subtree is rotated, the subtree side upon which it is rotated decreases its height by one node while the other subtree increases its height.
When a node wanted to transmit data, it would raise a bit on its hub port connection that indicating to the hub that it was ready.
When combined with Near Vertical Incidence Skywave ( NVIS ) techniques and sufficient channels spread across the spectrum, an ALE node can provide greater than 95 % success linking on the first call, on a near-par with SATCOM systems.
When a station or device or node wants to send some information, it uses the following algorithm:
When a node sends a message, the message is processed by each computer in the ring.
When the physical star topology is applied to a logical bus network such as Ethernet, this central node ( traditionally a hub ) rebroadcasts all transmissions received from any peripheral node to all peripheral nodes on the network, sometimes including the originating node.
# When we are done considering all of the neighbors of the current node, mark the current node as visited and remove it from the unvisited set.
When back-face culling is used, each node therefore contains a convex set of polygons, whereas when rendering double-sided polygons, each node of the BSP tree contains only polygons in a single plane.
When administered intravenously, adenosine causes transient heart block in the Atrioventricular ( AV ) node.
When a link-state advertisement is received at a node, the node looks up the sequence number it has stored for the source of that link-state message.
When a node is moved from the candidate list into the tree, it is removed from the candidate list and is not considered in subsequent iterations of the algorithm.
When a fact or combination of facts causes all of the patterns for a given rule to be satisfied, a leaf node is reached and the corresponding rule is triggered.
When and detects
When the keyboard processor detects that a key has changed state, it sends a signal to the CPU indicating the scan code of the key and its new state.
When the transmission detects a speed difference of greater than 20 % between the front and rear axle sets, the transmission progressively sends power to the rear wheels.
) When a landline phone is inactive or " on hook ", the circuitry at the telephone exchange detects the absence of direct current and therefore " knows " that the phone is on hook ( therefore, only AC current will go through ) with only the alerting device electrically connected to the line.
When the drive detects an idle period, it re-reads the fragmented segments into a buffer and writes them back over the fragmented sections-a ' virtual backhitch '.
When the advertiser scans their logfiles and detects that a web user has visited the advertiser's site from the content site by clicking on the banner ad, the advertiser sends the content provider some small amount of money ( usually around five to ten US cents ).
When a Frame Relay network detects an error in a frame, it simply drops that frame.
When Frame Relay detects an error, it simply drops the offending packet.
When the button is pushed or the motion detector detects motion at the door, the door alarm is temporarily ignored while the door is opened.
When the distant scanning station detects ALE activity, it stops scanning and stays on that channel until it can confirm whether or not the call is for it.
When the simulator " detects a match " ( that is, the RNG generates a certain value or a value within a certain range ), the simulator simulates the match by generating matched text.
When a bacterium detects environmental conditions are becoming unfavourable it may start the process of endosporulation, which takes about eight hours.
When Max detects an error in his real-time calculations leading up to a " transition ", neither the captain nor Assistant Astrogator Simes believe him, and the ship winds up lost.
; Voice Activity Detection ( VAD ): When enabled, voice activity detection detects whether the audio being encoded is speech or silence / background noise.
When one spins and stops suddenly, fluid in the inner ear continues to rotate causing a sense of continued spinning while one's visual system no longer detects motion.
When the trigger is pressed, the gun sends the intensity of the IR beam it detects.
When it detects the projected light return from the cloud base, the instrument notes the angle and the calculation gives the height of clouds.
When Fred's extension forwards to the voice-mail system, the Telephone Interface detects ringing.
When the ventilator detects the set volume having been applied the ventilator cycles to exhalation.
When the basilisk detects danger it can swim at fast speeds using its crests as rudders.
When using non-lock based concurrency control, no locks are acquired ; however, if the system detects a write collision among several concurrent transactions, only one of them is allowed to commit.
When Bastion tries to kill Hope, Nightcrawler teleports to her aid, but Bastion detects Nightcrawler's mutant powers activating and extends his arm into the space in which Nightcrawler will materialize.
When hunting, rattlesnakes primarily rely on their pit organ, which detects infra-red radiation.
When ESC detects loss of steering control, it automatically applies the brakes to help " steer " the vehicle where the driver intends to go.
When RSC detects impending rollover ( usually on transport trucks or SUVs
When the traction control computer ( often incorporated into another control unit, like the anti-lock braking system module ) detects one or more driven wheels spinning significantly faster than another, it invokes the ABS electronic control unit to apply brake friction to wheels spinning with lessened traction.
0.213 seconds.