acantha
/əˈkænθə/
noun
- A spine or thorn, especially on a plant or animal.
- Each acantha on the rose stem can cause a painful prick.
- The cactus has sharp acanthae that protect it from animals.
- The biologist examined the acantha under a microscope.
- In anatomy, a spinous process of a bone, such as the spine of the vertebra.
- The acantha of the vertebra helps attach muscles and ligaments.
- A fracture of the acantha can cause back pain.
- The doctor pointed to the acantha on the X-ray image.