The 20-year-old Mortaza was ruled out for five weeks after injuring his right knee last week during the second Test, which England won by 329 runs to clinch the series 2-0.
All-rounder Khaled Mahmud was retained as skipper of the 13-member squad named by the Bangladesh Cricket Board on Monday.
Squad:
Khaled Mahmud (captain),
Habibul Bashar,
Khaled Mashud (wicketkeeper),
Hannan Sarkar,
Rajin Saleh,
Alok Kapali,
Mushfiqur Rahman,
Mohammad Rafique,
Tapash Baishya,
Mohammad Moniruzzaman,
Anwar Hussain,
Mohammad Jamaluddin,
Nafees Iqbal.
