Cellular biology
Cellular biology was the branch of biology that studies s.

In one of the letters left by Raymond Marr, which were contained in the colonist's files possessed by Data, Marr stated to his mother, that he "took my last exam today. I think I did alright on everything except cellular biology. I know you think it's important, Mom, but I don't see how I'm ever gonna use that stuff." ()

See also 
 Cellular regeneration and entertainment chamber
 Cytological screening

External link 
 

Biology
Academic disciplines