episternum

Variants: 
Pl. episterna; Adj. episternal
Definition: 

The anterior area of a pleuron; separated from the posterior area (epimeron) by the pleural suture. 

Adults: 
episternum
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith