立克次体目：原核生物界薄壁细菌的暗细菌纲中一目细菌，由微小的革兰阴性、杆状或球菌状(常为多形性)的微生物组成。该目微生物常常只在宿主的细胞内繁殖，在脊椎和无脊椎动物中作为寄生物，亦可充作媒介物，对人和其他动物可有致病性。该目包括微粒孢子虫科(Anaplasmataceae)、巴尔通体科(Bartonellaceae)和立克次体科(Rickettsiaceae)- heredofamilial
- heredoinfection
- heredolues
- heredoluetic
- heredopathia
- heredoretinopathia congenita
- heredosyphilis
- heredosyphilitic
- heredosyphilology
- Herellea
- Hering's law, etc
- Hering's nerve, phenomenon
- heritability
- heritable
- Herlitz's disease
- Hermansky-Pudlak syndrome
- hermaphrodism
- hermaphrodite
- hermaphroditism
- hermaphroditismus
- Hermetia illucens
- hermetic
- hermetically
- hernia
- hernial