styloid process styloid process in anatomy, a styloid process (from greek stylos (στῦλος), "pillar"), usually serving as points of attachment for muscles, refers to the slender, pointed process (protrusion) of: temporal bone of the skull - temporal styloid process radius bone of the lower arm - radial styloid process ulna bone of the lower arm - ulnar styloid process third metacarpal - third metacarpal styloid process tibia and fibula - tibial process, fibular process. 5th metatarsal of the foot - also known as the tuberosity of the fifth metatarsal look up styloid in wiktionary, the free dictionary. in botany, a styloid is a needle-shaped crystal of calcium oxalate found in some plants. it is a form of raphide. this article is issued from wikipedia. the text is licensed under creative commons - attribution - sharealike. additional terms may apply for the media files.