WebProvided by. Quick definitions from WordNet ( spine) noun: a sharp rigid animal process or appendage; as a porcupine quill or a ridge on a bone or a ray of a fish fin. noun: a sharp-pointed tip on a stem or leaf. noun: any pointed projection. noun: the series of vertebrae forming the axis of the skeleton and protecting the spinal cord. WebDefine spine. spine synonyms, spine pronunciation, spine translation, English dictionary definition of spine. n. 1. The spinal column of a vertebrate. 2. Zoology Any of various …

Vertebrate Definition, Characteristics, Examples, Classification ...

WebMar 29, 2024 · vertebrate, also called Craniata, any animal of the subphylum Vertebrata, the predominant subphylum of the phylum Chordata. They have backbones, from which they … In many cases, spines are a defense mechanism that help protect the animal against potential predators. Because spines are sharp, they can puncture skin and inflict pain and damage which may cause the predator to avoid that species from that point on. The spine of some animals are capable of injecting venom. In the … See more 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, … See more Mammals Spines in mammals include the prickles of hedgehogs and among rodents, the quills of both New World and Old World porcupines as well as the prickly … See more Common uses for animal spines include: • Jewelry • Pens • Quillwork, a form of textile embellishment traditionally practiced by Indigenous peoples of North America that employs the quills of porcupines as an aesthetic element See more Because many species of fish and invertebrates carry venom within their spines, a rule of thumb is to treat every injury as if it were a snake bite. Venom can cause intense pain, … See more is mint a good app

Spine - definition of spine by The Free Dictionary

WebSpine (zoology) A spine is a hard, thorny or needle-like structure which occurs on various animals. Animals such as porcupine s and sea urchin s grow spines as a self-defense mechanism. Spines are often formed of keratin.Other animals with spines are hedgehog s and spiny mice.. In the context of neuroscience, is also used as shorthand for dendritic … Webn. 1. spinal column. 2. a hard, sharp-pointed outgrowth on a plant; thorn. 3. a stiff-pointed bone, process, or appendage, as the quill of a porcupine or the sharp rays in the fin of … kids events perth 2023