pilojection pi·lo·jec·tion (pī’lə-jěk’shən)
The process of shooting a stiff mammalian hair into a saccular aneurysm in the brain to produce thrombosis, used in treating the aneurysm.
pilomatrixoma pi·lo·ma·trix·o·ma (pī’lō-mā’trĭk-sō’mə) n. A benign, often calcified tumor of the skin and the tissue just below the skin, often occurring as a single lesion on the face or upper extremities. Also called Malherbe’s calcifying epithelioma.
/ˌpaɪləʊˈməʊtə/ adjective 1. (physiol) causing movement of hairs: pilomotor nerves pilomotor pi·lo·mo·tor (pī’lə-mō’tər) adj. Moving the hair. Used of the erector muscles of hairs in the skin and the postganglionic sympathetic nerve fibers that innervate them.
- Pilomotor reflex
pilomotor reflex n. Contraction of the smooth muscle of the skin caused by mild application of a tactile stimulus or by local cooling and resulting in goose bumps.
[pee-lohn] /piˈloʊn/ noun, Southwestern U.S. (chiefly Texas) . 1. something extra; lagniappe. n. 1892, from Mexican Spanish, from Spanish pilón “sugar loaf.”