Couple on date in Parisian area showing some guts (7)

'some guts' is the definition.
(part of the small intestine)

'couple on date in parisian area' is the wordplay.
'couple' becomes 'duo' (two people).
'on' says to put letters next to each other (in a down clue, letters appear on others).
'date' becomes 'd' (abbreviation e.g. dob - date of birth).
'in parisian' becomes 'en' ('in' in French).
'area' becomes 'a' (maths abbreviation).
'duo'+'d'+'en'+'a'='DUODENA'

'showing' acts as a link.