Paronychia could be seen as an umbrella term for any inflammation around the nails of fingers or toes. Cellulitis being one kind.
The umbrella term is referring to the anatomical region as it is
Latin, from Greek [παρωνυχία] paronykhia "whitlow," from para- "beside" (see para- (1)) + onyx "nail" (see nail (n.)) + abstract noun ...
A cup is a non-standard unit of measurement for volume:
It usually varies between 200ml and 250ml.
In the U.S., it is 2.365882365 decilitres exactly (which is 236.5882365 millilitres exactly).