| alpha radiation |
A positively charged particle made up of two neutrons and two protons. It is the least penetrating of the three common forms of radiation, and can be stopped by a sheet of paper.
출처: www.nuce.boun.edu.tr/glossary.html
|
|---|---|
| Alpers' d. |
a rare disease of young children, characterized by neuronal degeneration of the cerebral cortex and elsewhere, accompanied by progressive mental deterioration, motor disturbances, seizures, and early death. Called also Christensen-Krabbe disease, poliodystrophia cerebri, and progressive cerebral or progressive infantile poliodystrophy.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
|
| alpha a. |
somatotroph.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
|
| alpha b. |
a procedure in which a person is presented with continuous information, usually auditory, on the state of his brain-wave pattern, with the intent of increasing the percentage of alpha activity; this is done with the expectation that it will be associated with a state of relaxation and peaceful wakefulness. Called also alpha feedback.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
|
| alpha c. |
1. one of the cells in the periphery of the pancreatic islets that secrete somatostatin (alpha1 cells) and glucagon (alpha2 cells). 2. acidophil (def. 2).
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
|