book·end 
(bkĕnd′)
(bkĕnd′)n.
An often decorative prop placed at the end of a row of books to keep them upright.
tr.v. book·end·ed, book·end·ing, book·ends
1. To place something or be positioned at the ends of (a place or linear space): The picture on the wall was bookended by two diplomas.
2. To arrange or occur before and after (an event): The speaker's lecture was bookended with television interviews.
- immunofluorescent
- immunogenetic
- immunogeneticist
- immunogenetics
- immunogenic
- immunogenicity
- immunoglobulin
- immunoglobulin A
- immunoglobulin D
- immunoglobulin E
- immunoglobulin G
- immunoglobulin M
- immunologic
- immunological
- immunologically
- immunologist
- immunology
- immunoreaction
- immunoreactive
- immunoreactivity
- immunostimulant
- immunosuppressant
- immunosuppressed
- immunosuppression
- immunosuppressive