- Anat. any natural outgrowth or process, esp. on a vertebra or other bone
- Bot. a swelling at the base of the capsule in some mosses
Origin of apophysisModern Latin ; from Gr, an offshoot ; from apo-, from + phyein, grow: see be
- Anatomy A natural swelling, projection, or outgrowth of an organ or part, such as the process of a vertebra.
- Geology A branch from a dike or vein.
Origin of apophysisNew Latin, from Greek apophusis, from apophuein, to send out branches : apo-, apo- + phuein, to grow; see bheu&schwa;- in Indo-European roots.
- a·poph′y·sate′ , a·poph′y·se′al
Greek απόφυσις (offshoot), from ἀπό + φύειν (to bring forth), from Proto-Indo-European base *bheu- (to exist, to grow).