| 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] |
| Name: | cell |
|---|---|
| Synonyms: | cells |
| Definition: | Anatomical structure that has as its parts a maximally connected cell compartment surrounded by a plasma membrane. |
| Ontology: | Anatomy Ontology [ZFA:0009000] |
| Name: | orientation |
|---|---|
| Synonyms: | amount of rotation, angle, angular magnitude, angular placement, plane angle |
| Definition: | A spatial quality inhering in a bearer by virtue of the bearer's placement which is defined by the angle between the bearer and an axis, or the angle between the bearer and another object. |
| Ontology: | Phenotypic Quality Ontology [PATO:0000133] |