重复自语，自我重复言语：鹦鹉样的重复最初自己说的字和词，见于紧张性精神分裂症和某些大脑退行性病变- guanidinoacetic acid
- guanido-acetic acid
- guanine
- guanine deaminase
- guanochlor sulfate
- guanophore
- guanosine
- guanoxabenz
- guanoxan sulfate
- guanylic acid
- guanylyl
- guarana
- guaranine
- guard
- Guarnieri's bodies (corpuscles)
- guayule
- gubernacula
- gubernacular
- gubernaculum
- Gubler-Robin typhus
- Gubler's hemiplegia,etc
- Gudden's commissure,law
- Guenz
- Guenzburg
- guidance