Yes, cactus quills need to be removed if they're barbed. The longer, sharper quills take longer to be dissolved by the body chemistry. So they're best removed as quickly after the embedding as possible. Modified cactus leaves in the form of fine hairs and bristles don't take as long to dissolve. But their presence still may be an irritant. So prompt removal may be on the better side of valor.
The 'spines' of a cactus attach directly to the stem of the plant.
some animals are accustomed to the cactus so it doesnt hurt them.
Yes, they are quills that come off in you like on a cactus.
The vet removed the quill from the dog's nose. The quill pen was difficult to write with.
Yes. An adult hedgehog typically has anywhere near 6,000 quills. However, these are much different from Porcupine quills. While they are still modified hairs, hedgehog quills are not barbed, venomous, nor can they be projected at a victim.
No, zebras do not have quills.
a porcupine has quills
Because a cactus can't grow in clayey soil and there is a lot of water in the marshes, the cactus does not need a lot of water
Remove embedded cactus spines by soaking the affected area. Apply products that encourage the spines to rise to the surface. In many cases, the spines may be removed by looking through a magnifying glass and using tweezers.
cactus need less water thus they grow in deserts
Gloves should be worn when the pads and fruit are removed from the cactus. Even those varieties regarded as "spineless" have glochids, so beware.
As a cactus is a form of a plant, it will require sunlight for photosynthesis and water to stop it from drying out and to help the cactus plant grow.