| Term: | epiphysis primary neuron |
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| Note: | This page represents a term created by the combination ("post-composition") of two ontology terms. For more information on the individual terms, click the hyperlinked name. |
| Name: | epiphysis |
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| Synonyms: | corpus pineale, pineal gland, pineal organ |
| Definition: | A circumscribed swelling, includes the pineal primordium that appears late in the segmentation period in the dorsal midline of the diencephalon. It is located directly rostral to the posterior commissure and dorsal to the habenular commissure. |
| Ontology: | Anatomy Ontology [ZFA:0000019] |
| Name: | primary neuron |
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| Synonyms: | |
| Definition: | Primary neurons are neurons develop shortly after gastrulation during early segmentation stages, between 10-12 hpf, before the neural tube is formed. Each neuron occurs in a stereotyped location along the neuraxis. Axons from these cells grow via a growth cone pioneering a stereotyped pathway. These axons form the pattern of the early nervous system. |
| Ontology: | Anatomy Ontology [ZFA:0009242] |