a. rare. Less correctly apophysal. [f. APOPHYSI-S + -AL.] Belonging to, or of the nature of, an apophysis.

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1851.  Richardson, Geol., viii. 232. The ventral valve [in Brachiopoda] … supports … the apophysal apparatus.

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1880.  Syd. Soc. Lex., Apophysial point, the tender point over a vertebral spinous process which is next to the place of exit of a painful spinal nerve.

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