rectum, recycling, recycling engineering, red blood cell, red Book, red muscle fibers, reductase, reduction, reflex arch, regeneration, region, part, regulatory gene, relative biological effectiveness, relative humidity, relaxation, relict species, renal artery, renal cortex, renal vein, renewing resources, renin, replication, repression, repressor, reproduction, reproductive isolation, reptiles, reservoir, resources, respiration - Ағылшынша-қазақша биологиялық терминдер сөздігі - Казахские словари