| D009420 |
Nervous System |
The entire nerve apparatus, composed of a central part, the brain and spinal cord, and a peripheral part, the cranial and spinal nerves, autonomic ganglia, and plexuses. (Stedman, 26th ed) |
Nervous Systems,System, Nervous,Systems, Nervous |
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| D002492 |
Central Nervous System Depressants |
A very loosely defined group of drugs that tend to reduce the activity of the central nervous system. The major groups included here are ethyl alcohol, anesthetics, hypnotics and sedatives, narcotics, and tranquilizing agents (antipsychotics and antianxiety agents). |
CNS Depressants,Depressants, CNS |
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| D003063 |
Cnidaria |
A phylum of radially symmetrical invertebrates characterized by possession of stinging cells called nematocysts. It includes the classes ANTHOZOA; CUBOZOA; HYDROZOA, and SCYPHOZOA. Members carry CNIDARIAN VENOMS. |
Cnidarians,Cnidarian,Cnidarias |
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| D003585 |
Cell Biology |
The study of the structure, behavior, growth, reproduction, and pathology of cells; and the function and chemistry of cellular components. |
Cellular Biology,Biologies, Cell,Biologies, Cellular,Biology, Cell,Biology, Cellular,Cell Biologies,Cellular Biologies |
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| D006829 |
Hydra |
A genus of freshwater polyps in the family Hydridae, order Hydroida, class HYDROZOA. They are of special interest because of their complex organization and because their adult organization corresponds roughly to the gastrula of higher animals. |
Hydras |
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| D000818 |
Animals |
Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. |
Animal,Metazoa,Animalia |
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