| Name: | hemal arch |
|---|---|
| Synonyms: | haemal arch, ventral arcocentrum |
| Definition: | Hemal arches extend ventrally from the centra of caudal and transitional vertebrae to enclose the caudal artery and vein. In cyprinids, the hemal arch forms directly in membrane bone. |
| Ontology: | Anatomy Ontology [ZFA:0000519] |
| Name: | osteoclast |
|---|---|
| Synonyms: | chondroclast |
| Definition: | A specialized phagocytic cell associated with the absorption and removal of the mineralized matrix of bone tissue, which typically differentiates from monocytes. |
| Ontology: | Anatomy Ontology [ZFA:0009047] |