| Name: | opercular flap |
|---|---|
| Synonyms: | gill cover, gill slit, opercular apparatus, opercular cover, operculum |
| Definition: | A large flap, covered by integument, supported by several flat bones, actuated by muscles, found on the side of the head covering the gill chambers. |
| Ontology: | Anatomy Ontology [ZFA:0000555] |
| 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] |