| Name: | Meckel's cartilage | 
|---|---|
| Synonyms: | ventral mandibular cartilage | 
| Definition: | Meckel's cartilage is the bilaterally paired, rod-like, cartilaginous ventral component of the lower jaw, or ventral mandibular arch. It is typically resorbed in adults. | 
| Ontology: | Anatomy Ontology [ZFA:0001205] | 
| Name: | anterior-posterior axis | 
|---|---|
| Synonyms: | A-P axis, anteroposterior axis, AP axis, cephalocaudal axis, craniocaudal axis, rostral/caudal, rostrocaudal axis | 
| Definition: | An axis that extends through an organism from head end to opposite end of body or tail. | 
| Ontology: | Spatial Ontology [BSPO:0000013] |