| Term: | caudal fin principal ray osteoclast |
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| Note: | This page represents a term created by the combination ("post-composition") of two ontology terms. For more information on the individual terms, click the hyperlinked name. |
| Name: | caudal fin principal ray |
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| Synonyms: | caudal principal lepidotrichium, caudal principal ray |
| Definition: | Caudal fin lepidotrichium that is adjacent to a branched ray. Caudal principal rays may be segmented but unbranched and the main element forming the dorsal or ventral leading margin of the caudal fin or a ray that may be only segmented and branched and forms part of the middle-posterior region of the fin. A caudal principal ray is an unpaired median bone. There are 19 principal caudal rays, with 10 in the dorsal lobe and nine in the ventral lobe. The dorsal lobe rays articulate with hypurals 3-5. |
| Ontology: | Anatomy Ontology [ZFA:0001585] |
| Name: | osteoclast |
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| 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] |