| Name: | cranium | 
|---|---|
| Synonyms: | cranial skeleton | 
| Definition: | Skeletal system that is part of the head, including the splanchnocranium, chondrocranium, and dermatocranium. | 
| Ontology: | Anatomy Ontology [ZFA:0000737] | 
| Name: | horizontal plane | 
|---|---|
| Synonyms: | coronal section, frontal plane, frontal section, horizontal anatomical plane, horizontal section | 
| Definition: | Anatomical plane that divides bilateral body into dorsal and ventral parts. | 
| Ontology: | Spatial Ontology [BSPO:0000019] |