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Spine (zoology)

In a zoological context, spines are hard, needle-like anatomical structures found in both vertebrate and invertebrate species. The spines of most spiny mammals are modified hairs, with a spongy center covered in a thick, hard layer of keratin and a sharp, sometimes barbed tip.

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Spine (zoology)

Nodes96
Edges95
Triples5
Avg. degree1.98
Density0.020833
Components1

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Important terminology

spines mammals defensive species quills also body porcupines armor many predators used found spine defense venom insectivorous puncture may evolved

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
porcupines are considered aposematicinstance ofa puncture with the barbed spine and the accompanying venom has occasionally been fatal to humans.Animals0.80text
because their spines warn predators that they are dangerousinstance ofa puncture with the barbed spine and the accompanying venom has occasionally been fatal to humans.Animals0.80text
and in some casesinstance ofa puncture with the barbed spine and the accompanying venom has occasionally been fatal to humans.Animals0.80text
potentially toxicinstance ofa puncture with the barbed spine and the accompanying venom has occasionally been fatal to humans.Animals0.80text
spines that compensates for decreased awareness of predators.There is a correlation between intermediate-sized mammalsinstance ofthey have evolved body armor0.80text

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