In some canal starts praying hard over poor Ryan before ten (7)

'in some canal' is the definition.
The definition and answer can be both body parts as well as being singular nouns.
Perhaps you can see an association between them that I don't see?

'starts praying hard over poor ryan before ten' is the wordplay.
'starts' suggests taking the first letters.
'over' says to put letters next to each other.
'poor' indicates anagramming the letters.
'before' is a charade indicator (letters next to each other).
'ten' becomes 'x' (roman numeral).
The initial letters of 'praying hard' is 'ph'.
'ryan' with letters rearranged gives 'aryn'.
'ph'+'aryn'+'x'='PHARYNX'

Can you help me to learn more?