| 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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| D009474 |
Neurons |
The basic cellular units of nervous tissue. Each neuron consists of a body, an axon, and dendrites. Their purpose is to receive, conduct, and transmit impulses in the NERVOUS SYSTEM. |
Nerve Cells,Cell, Nerve,Cells, Nerve,Nerve Cell,Neuron |
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| D009490 |
Neurosecretory Systems |
A system of NEURONS that has the specialized function to produce and secrete HORMONES, and that constitutes, in whole or in part, an ENDOCRINE SYSTEM or organ. |
Neuroendocrine System,Neuroendocrine Systems,Neurosecretory System,System, Neuroendocrine,System, Neurosecretory,Systems, Neuroendocrine,Systems, Neurosecretory |
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| D012038 |
Regeneration |
The physiological renewal, repair, or replacement of tissue. |
Endogenous Regeneration,Regeneration, Endogenous,Regenerations |
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| D002454 |
Cell Differentiation |
Progressive restriction of the developmental potential and increasing specialization of function that leads to the formation of specialized cells, tissues, and organs. |
Differentiation, Cell,Cell Differentiations,Differentiations, Cell |
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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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| D000845 |
Annelida |
A phylum of metazoan invertebrates comprising the segmented worms, and including marine annelids (POLYCHAETA), freshwater annelids, earthworms (OLIGOCHAETA), and LEECHES. Only the leeches are of medical interest. (Dorland, 27th ed) |
Segmented Worms,Worms, Segmented,Annelidas,Segmented Worm,Worm, Segmented |
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| D012867 |
Skin |
The outer covering of the body that protects it from the environment. It is composed of the DERMIS and the EPIDERMIS. |
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