ural centrum 4
A vertebral centrum that is located immediately posterior to ural centrum 3 (polyural terminology) and may fuse to ural centrum 3 early in ontogeny. Ural centrum 4 articulates with hypural 4 ventrally. Ural centrum 4 is an unpaired median bone.
| Type | Bone |
| Parent Structure | ural centrum |
Frequently Asked Questions
What is the ural centrum 4?
A vertebral centrum that is located immediately posterior to ural centrum 3 (polyural terminology) and may fuse to ural centrum 3 early in ontogeny. Ural centrum 4 articulates with hypural 4 ventrally. Ural centrum 4 is an unpaired median bone.
Related Structures
1st arch mandibular component
ventral mandibular arch
1st arch mandibular ectoderm
ectoderm of mandibular component
1st arch mandibular mesenchyme
mandibular component mesenchyme
1st arch mandibular mesenchyme from head mesenchyme
1st arch mandibular mesenchyme from neural crest
1st arch maxillary component
1st arch maxillary ectoderm
ectoderm of maxillary component
1st arch maxillary-mandibular cleft
1st arch maxillary-mandibular groove ectoderm
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