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
D002395
Catecholamines
A general class of ortho-dihydroxyphenylalkylamines derived from TYROSINE.
Catecholamine,Sympathin,Sympathins
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
D006651
Histocytochemistry
Study of intracellular distribution of chemicals, reaction sites, enzymes, etc., by means of staining reactions, radioactive isotope uptake, selective metal distribution in electron microscopy, or other methods.
Cytochemistry
D000717
Anatomy, Comparative
The comparative study of animal structure with regard to homologous organs or parts. (Stedman, 25th ed)