Secondary Osteon
Definition
A remodelling unit in cortical bone visible in cross-section as a concentric ring structure (Haversian system). Osteon diameter and density are size-correlated and provide a gross indicator of body mass when species identity is unknown.
Related terms
- Cytochrome B
- A mitochondrial gene commonly used for species identification by PCR and sequencing. Short fragments amplify reliably from degraded wildlife products; species-specific primers...
- Medullary Index
- The ratio of the medulla diameter to the total hair shaft diameter. In companion animal hair identification, a medullary index above 0.5...
- NFWFL
- National Fish and Wildlife Forensics Laboratory, the USFWS facility in Ashland, Oregon. Operates the US reference collection for wildlife hair, feathers, bone,...
- RhODIS Analogue
- No equivalent national DNA index exists for tigers or bears equivalent to RhODIS for rhinoceros. DNA databases for tigers exist at a...
- Ursodeoxycholic Acid (UDCA)
- A secondary bile acid that is the major active component in bear bile, present at far higher concentrations than in most other...
Explained in
- Big Cat and Bear Product IdentificationA remodelling unit in cortical bone visible in cross-section as a concentric ring structure (Haversian system). Osteon diameter and density are size-correlated...