apophysis

n. bony growth or swelling (Anatomy)

Apophysis (Greek: αποφυσις, offshoot) is:a bony protuberance, in human physiologya botanical term for the swelling of the spore-case in certain mossesApophysis (software), a fractal flame generating program for Microsoft Windows
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Apophysis /apoph·y·sis/ pl. apoph´yses [Gr.] any outgrowth or swelling, especially a bony outgrowth that has never been entirely separated from [more]Apophysis - Community and Resources

Noun
1. (botany) a natural swelling or enlargement: at the base of the stalk or seta in certain mosses or on the cone scale of certain conifers
(hypernym) plant process, enation
(classification) botany, phytology
2. (anatomy) a natural outgrowth or projection on an organ or part such as the process of a vertebra
(hypernym) process, outgrowth, appendage
(part-holonym) vertebra
(classification) anatomy, general anatomy

(n.)
An enlargement at the top of a pedicel or stem, as seen in certain mosses.
  

(n.)
A marked prominence or process on any part of a bone.