caudal principal ray
caudal fin principal ray
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.
| Type | Bone |
| Parent Structure | caudal fin lepidotrichium |
| Latin Name | caudal fin principal ray |
Sub-structures
Frequently Asked Questions
What is the caudal principal ray?
What is the Latin name for the caudal principal ray?
Related Structures
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