phlyc·te·na also phlyc·tae·na 
(flĭk-tēnə)
(flĭk-tēnə)n. pl. phlyc·te·nae (-nē) also phlyc·tae·nae
A small blister or vesicle, especially one of multiple blisters caused by a mild burn.
[New Latin, from Greek phluktaina, blister, from phlūzein, to boil over, variant of phlūein; see bhleu- in the Appendix of Indo-European roots.]
phlycten′ar (flĭktĕn′ər) adj.