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prethoracic
prethoracic adj. 
/ˌpriːθɒˈrasɪk/, /ˌpriːθəˈrasɪk/, /ˌpriˌθɔˈræsɪk/ Anatomy and Zoology situated anterior to the thorax.
Brit. /ˌpriːθɔːˈrasɪk/
, /ˌpriːθɔːˈrasɪk//ˌpriːθɒˈrasɪk//ˌpriːθəˈrasɪk/U.S. /ˌpriθəˈræsɪk/
, /ˌpriθəˈræsɪk//ˌpriˌθɔˈræsɪk/ΚΠ
1870 G. Rolleston Forms Animal Life 108 The number..is never made up of the same pre-thoracic, thoracic, abdominal, and post-abdominal factors.
1982 Plastic & Reconstructive Surg. 70 153 A lower thoracic advancement flap for use in postmastectomy breast reconstruction is described that allows modest supplementation of prethoracic skin coverage and creation of a stable, well-defined inframammary fold.
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