Singular. Malleoli is the plural form. ie "the left medial malleolus", or "both medial malleoli"
It is both a singular or plural noun.
Epidermis is both singular and plural
Fish is both singular and plural.
Fish is both singular and plural.
Both singular and plural.
The verb reviewed is used after both singular and plural nouns.
Yes, "sheep" can be used as both the singular and plural form.
Verbs are not plural or singular. Melting comes after both plural and singular nouns.
"You" can be both singular and plural.
Mumps is plural. But it is both singular and plural is construction.
The singular is novice and the plural is novices.
Triceps is a singular and plural word, we can it for both plural and singular.