| aster |
[Latin, = star] A star-like object visible in most dividing eukaryotic cells contains the microtubule organizing center. astral Having an aster and centrioles that participate in mitosis; characteristic of mitosis in animals and in nonvascular plants. astral microtubules Microtubules that extend from each pole of the mitotic spindle without attaching to any other visible structure.
출처: embryology.med.unsw.edu.au/Notes/Index/A.htm
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| astereognosis |
is an inability to recognize objects by touching them even though the sense of touch and proprioception is intact. Proprioception is the sense of being aware of the position and movements of the body. Astereognosis is caused by damage to the parietal lobe of the brain. The parietal lobe is the middle area of the top part of the brain. There is one parietal lobe on each side of the brain. ...
출처: www.dbs-stn.org/glossary.asp
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| asterixis |
involuntary, jerking or flapping movements, especially of the hands. Extending the patient's arm with the wrist bend in a backward position may induce this form of tremor, which may be associated with advanced liver disease.
출처: www.dbs-stn.org/glossary.asp
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| asteroid |
A small, rocky planetary body orbiting the Sun. Asteroids are numbered in the tens of thousands. Most are located between the orbit of Mars and the orbit of Jupiter. Their diameters range downward from 1000 km. Compare to meteorite.
출처: imnh.isu.edu/digitalatlas/glossary/letter.asp
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| asteroid |
Enormous rocks or boulders that revolve around the sun, usually between the orbits of Mars and Jupiter.
출처: www.mdk12.org/instruction/curriculum/science/gloss...
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