A hard, thorny or needle-like structure which occurs on various animals. Animals such as porcupines and sea urchins grow spines as a self-defense mechanism. Spines are often formed of keratin. Other animals with spines are hedgehogs, spiny mice and at least two ornithischian dinosaurs. [ http://en.wikipedia.org/wiki/Spine_(zoology) ]
This is just here as a test because I lose it
Term information
Subsets
grouping_class
definition
- A hard, thorny or needle-like structure which occurs on various animals. Animals such as porcupines and sea urchins grow spines as a self-defense mechanism. Spines are often formed of keratin. Other animals with spines are hedgehogs, spiny mice and at least two ornithischian dinosaurs.
editor note
- May be reclassified depending on CARO treatment of appendage
has broad synonym
- spine
has obo namespace
- uberon
has related synonym
- spiny appendage
id
- UBERON:0008260
never in taxon
- http://purl.obolibrary.org/obo/NCBITaxon_9606
Term relations
Subclass of:
- appendage
- only in taxon some Bilateria
- has quality some subulate
- in taxon some (not Homo sapiens)