This is the 758th most frequent Finnish word.
muissa
"Muissa" means "in others" or "in the other (ones)" in English.
Here, 'muissa' again is in the inessive case, specifying existence within 'other cultures' as a context for interest.
Hän on kiinnostunut muissa kulttuureissa vallitsevista tavoista.
He is interested in the customs prevalent in other cultures.
'Muissa' here functions to compare 'other departments' when describing differences in reception.
Vastaanotto oli erilainen muissa osastoissa.
The reception was different in other departments.
Adessive plural form of 'muut' (other) indicating 'in other perspectives'.