1) Able to stretch and expand 2) Capable of being distended 3) Expansive 1) Distensile 2) Expansive 
• (a.) Capable of being distended or dilated.
Dis·ten'si·ble adjective Capable of being distended or dilated. 
[adj] - capable of being distended
distend, distensible 1. To stretch out. 2. To expand, as by pressure from within; make or become swollen.distensible 1. Capable of being distended. 2. Anything which can be stretched and expanded.
adjective capable of being distended; able to stretch and expand; `the stomach is a distensible organ`
capable of being distended.