[ˈhi:məblæst]
成血细胞：同hemocytoblast
习惯用语lymphoid hemoblast of Pappenheim
Pappenheim淋巴性成血细胞，原红细胞：同pronormoblast- Ornithodoros
- Ornithonyssus
- ornithosis
- oro-
- orolingual
- oromaxillary
- oromeningitis
- oronasal
- oropharynx
- Oropsylla
- orosomucoid
- orotate phosphoribosyltransferase (OPRT)
- orotic acid
- orotidine 5'-phosphate decarboxylase (ODC)
- orotidine 5'-phosphate pyrophosphorylase
- orotidylate decarboxylase
- orpanoxin
- orphenadrine
- orrho-
- orrhomeningitis
- orris
- Orr treatment (method,technic)
- Orsi-Grocco method
- orthesis
- orthetic