apposition

appositio

A second noun that restates the first and inherits its case — to Michael the Archangel; the fruit… Jesus.

in the texts

Michaéli Archángelo

to Michael — the Archangel: the same dative.

fructus ventris tui Jesus

the fruit… — Jesus: an apposition in the nominative.

Sancta María, Mater Dei

Mary — Mother: an apposition in the vocative.

pro nobis peccatóribus

for us — sinners.