Name: | hemal arch |
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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: | bone tissue |
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Synonyms: | |
Definition: | Skeletal tissue with a collagen-rich extracellular matrix vascularized, mineralized with hydroxyapatite and typically including osteocytes located in lacunae that communicate with one another by cell processes (in canaliculi). Bone is deposited by osteoblasts. |
Ontology: | Anatomy Ontology [ZFA:0005621] |