Gaserian or Gasserian: How To spell?
The word Gaserian is misspelled against Gasserian, an adjective meaning "Relating to Casserio (L. Gasserius), the discover of the Gasserian ganglion."
Gasserian has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings ga & erian which should not be misspelled with single 'S'
Wrong Spelling:  ga-s-erian  Correct Spelling:  ga-ss-erian 
Find more wrongly spelled words of Gasserian to spell it well.