嵌合
Gomphosis \Gom*pho"sis\, n. [NL., fr. Gr. ?, prop., a bolting together, fr. ? to fasten with bolts or nails, ? bolt, nail: cf. F. gomphose.] (Anat.) A form of union or immovable articulation where a hard part is received into the cavity of a bone, as the teeth into the jaws.