| Name: | midbrain hindbrain boundary | 
|---|---|
| Synonyms: | isthmus, mhb, midbrain-hindbrain boundary | 
| Definition: | The boundary between the mesencephalon and the rhombencephalon. | 
| Ontology: | Anatomy Ontology [ZFA:0000042] | 
| Name: | neuron | 
|---|---|
| Synonyms: | |
| Definition: | The basic cellular unit 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. | 
| Ontology: | Anatomy Ontology [ZFA:0009248] |