Word: effector
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...issue of Proceedings of the National Academy of Sciences, there is an article co-written by Harvard associate professor of pathology Ulrich von Andrian entitled "A transgenic mouse model to analyze CD8+ effector T cell differentiation in vivo...
...observation post in the back of the command cabin, had originally been scheduled to try the arm's gripping apparatus on a fixture in the cargo bay. But the trial was scrubbed because of problems with the arm's hand, known in NASAese as an "end effector." Eventually, the spider-web-like wire snare should be able to capture any satellite equipped with appropriately mated hooks. On this voyage, Truly will only guide the 50-ft.-long arm through various manipulations of its "shoulder," "elbow" and "wrist" joints. If the machinery jams when the arm is extended...
...brain works in much the same way. It needs to know continuously what an "effector," e.g., an arm or a leg, is doing. In certain nervous disorders it does not get this information. Then such a simple action as picking up a pencil becomes almost impossible. The patient's hand oscillates wildly like the rudder of a zigzagging ship...
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