spine appendage

Term ID

UBERON:0008260

Synonyms

• spiny appendage

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. http://en.wikipedia.org/wiki/Spine_(zoology)

References

• Spine:(zoology)

Ontology

Uberon Ontology