apophysis
noun
apoph·y·sis ə-ˈpä-fə-səs 
plural apophyses ə-ˈpä-fə-ˌsēz
: an expanded or projecting part especially of an organism
apophyseal
ə-ˌpä-fə-ˈsē-əl
adjective 
Example Sentences
Recent Examples on the Web The growth plate where the patellar tendon attaches is called an apophysis. 
Cincinnati.com, 5 June 2017
Cincinnati.com, 5 June 2017 Word History
Etymology
New Latin, from Greek, from apo- + phyein to bring forth — more at be
First Known Use
1646, in the meaning defined above
Medical Definition
apophysis
noun
apoph·y·sis ə-ˈpäf-ə-səs
plural apophyses -ˌsēz
: an expanded or projecting part especially of an organism