Vascular smooth muscle exhibits hysteresis: two vessels under identical present inputs can be in different contractile states depending on their history over the preceding hour. (True if a preparation's force under a fixed stimulus depends on its prior stimulation sequence.)

an honest empty state

This claim is in the ledger but not in the current edition's featured set. Nothing here has been assessed — that absence is information, not an oversight.

Still missing: plain-language gloss, credibility assessment, diagnosticity assessment, strongest objection, what would change our mind. A claim gains them when an edition features it and the edition's adopted assessment supplies the full treatment — a decision the panel reviews, not a field anyone flips.