| Name: | head |
|---|---|
| Synonyms: | |
| Definition: | Organism subdivision which is the part of the body which consists of the cranial and pharyngeal regions. |
| Ontology: | Anatomy Ontology [ZFA:0001114] |
| Name: | ectoderm |
|---|---|
| Synonyms: | |
| Definition: | The outer layer of the embryo derived from the epiblast. The definitive ectoderm will give rise to such tissues as epidermis, the central nervous system, neural crest, and sensory placode. |
| Ontology: | Anatomy Ontology [ZFA:0000016] |