しょう菱形 りょうけい こつだったら
shōryō keikotsu dattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 小菱形骨

1. If/when it were a small lozenge-shaped bone:; If/when it was a small lozenge-shaped bone:

Tara Conditional
Anatomy