嗜人兽血的：指某些蚊而言。参见anthropophilic和zoophilic- infolding
- informosome
- infra-
- infra-axillary
- infraciliature
- infraclass
- infraclavicular
- infraclusion
- infraconstrictor
- infracortical
- infracostal
- infracotyloid
- infraction
- infradentale
- infradian
- infradiaphragmatic
- infraduction
- infraglenoid
- infraglottic
- infrahyoid
- inframamillary
- inframammary
- inframandibular
- inframarginal
- inframaxillary