| D D D D D | letter |
| Dark-field microscopy | chapter 3 | micro 509 | heading |
| Dead vaccine | chapter 17 | micro 509 | heading |
| Death phase | chapter 6 | micro 509 | heading |
| Death, exponential | chapter 12 | micro 509 | heading |
| Decline phase | chapter 6 | micro 509 | heading |
| Decline phase | chapter 14 | micro 509 | heading |
| Defences, cellular | chapter 16 | micro 509 | heading |
| Defences, host, non-specific | chapter 16 | micro 509 | heading |
| Defences, molecular | chapter 16 | micro 509 | heading |
| Defined synthetic medium | chapter 6 | micro 509 | heading |
| Definitive host | chapter 11 | micro 509 | heading |
| Degranulation | chapter 18 | micro 509 | heading |
| Delayed hypersensitivity | chapter 18 | micro 509 | heading |
| Denaturation | chapter 2 | micro 509 | heading |
| Desiccation | chapter 12 | micro 509 | heading |
| Detergent | chapter 12 | micro 509 | heading |
| Determinant, antigenic | chapter 17 | micro 509 | heading |
| Determining microbial sensitivities to antimicrobial agents | chapter 13 | micro 509 | heading |
| Diaphram, iris | chapter 3 | micro 509 | heading |
| Dichotomous key | chapter 9 | micro 509 | heading |
| Differential medium | chapter 6 | micro 509 | heading |
| Differential stain | chapter 3 | micro 509 | heading |
| Diffusion, facilitated | chapter 4 | micro 509 | heading |
| Digestion | chapter 16 | micro 509 | heading |
| Dilution, serial | chapter 6 | micro 509 | heading |
| Dimorphism | chapter 11 | micro 509 | heading |
| Diplo- (prefix) | chapter 4 | micro 509 | heading |
| Direct contact transmission | chapter 15 | micro 509 | heading |
| Direct fecal-oral transmission | chapter 15 | micro 509 | heading |
| Direct microscopic count | chapter 6 | micro 509 | heading |
| Disaccharide | chapter 2 | micro 509 | heading |
| Disease | chapter 14 | micro 509 | heading |
| Disease, communicable | chapter 14 | micro 509 | heading |
| Disease, contagious | chapter 14 | micro 509 | heading |
| Disease, fungal | chapter 11 | micro 509 | heading |
| Disease, germ theory of | chapter 1 | micro 509 | heading |
| Disease, how microbes cause | chapter 14 | micro 509 | heading |
| Disease, infectious | chapter 14 | micro 509 | heading |
| Disease, infectious, stages of | chapter 14 | micro 509 | heading |
| Disease, noncommunicable | chapter 14 | micro 509 | heading |
| Disease, types of | chapter 14 | micro 509 | heading |
| Diseases, flea-borne | chapter 11 | micro 509 | heading |
| Diseases, fly-borne | chapter 11 | micro 509 | heading |
| Diseases, kinds of | chapter 14 | micro 509 | heading |
| Diseases, louse-borne | chapter 11 | micro 509 | heading |
| Diseases, tick-borne | chapter 11 | micro 509 | heading |
| Disinfectant | chapter 12 | micro 509 | heading |
| Disinfectant, ideal | chapter 12 | micro 509 | heading |
| Disinfection | chapter 12 | micro 509 | heading |
| Disruption of cell membrane function | chapter 13 | micro 509 | heading |
| Distinguishing bacteria, other methods | chapter 9 | micro 509 | heading |
| Distinguishing strains | chapter 9 | micro 509 | heading |
| DNA hybridization | chapter 9 | micro 509 | heading |
| DNA manipulation outside of cells | chapter 8 | micro 509 | heading |
| DNA manipulation within the recipient cell | chapter 8 | micro 509 | heading |
| DNA sequencing | chapter 9 | micro 509 | heading |
| DNA transfer to recipient cell | chapter 8 | micro 509 | heading |
| Domain | chapter 9 | micro 509 | heading |
| Domain Archaea | chapter 9 | micro 509 | heading |
| Domains | chapter 4 | micro 509 | heading |
| Donor cell | chapter 8 | micro 509 | heading |
| Donor, electron | chapter 5 | micro 509 | heading |
| Dosage level, therapeutic | chapter 13 | micro 509 | heading |
| Dosage level, toxic | chapter 13 | micro 509 | heading |
| DPT vaccine | chapter 17 | micro 509 | heading |
| Droplet transmission | chapter 15 | micro 509 | heading |
| Drug resistance and nosocomial infections | chapter 13 | micro 509 | heading |
| Drug, semisynthetic | chapter 13 | micro 509 | heading |
| Drug, synthetic | chapter 13 | micro 509 | heading |
| Dry heat | chapter 12 | micro 509 | heading |
| Dry weight | chapter 6 | micro 509 | heading |