1. There are 6 six-letter words beginning with APE: APEDOM APEMAN APEMEN Apepsy APERCU & APEXES

2. The apexes of the cells with their microvilli are directed toward the chamber of the Acinus into which the secretion is discharged.

3. The control release sleeve is further advanced relative to the spindle to release the remaining proximal apexes (506) from the control release sleeve.

4. The points of intersection (apexes) (15) of adjoining arcs are the lowermost points of the side curtain and provide attachment points (apertures 19) for attaching the curtain to tensioning devices.