Not sure this necessitates, or benefits from, a split, really. The following word ‘hormones’ does a bit of the heavy lifting here, regardless.
Agree, not a big difference. In any case this does have marginally more clarity over current and doesn’t detract from anything being tested in the card imo (I don’t think # is really being tested)
Also {{c3::Thyroxine (T4) and Triiodothyronine (T3)::… & …}} on Anki id 1555173217063 is another option vs splitting the cloze