| Name: | cleithrum |
|---|---|
| Synonyms: | cleithra |
| Definition: | Transversely oriented bone connecting the occipital region of the skull dorsally and pectoral girdle ventrally; appears near the end of embryogenesis. |
| Ontology: | Anatomy Ontology [ZFA:0000184] |
| Name: | left-right axis |
|---|---|
| Synonyms: | dextro-sinister axis, L-R axis, left to right axis, LR axis, R-L axis, right to left axis, right-left axis, RL axis |
| Definition: | An axis that bisects an organism from left to right sides of body, through a sagittal plane. |
| Ontology: | Spatial Ontology [BSPO:0000017] |