非整倍性：染色体有多于(多倍性，如Down综合征)或少于(低倍性，如Turner综合征)单倍体倍数倾向。非整倍性者常有生理与形态上的异常。参见euploidy和polyploidy- grippe
- Grisactin
- griseofulvin
- griseomycin
- Grisolle's sign
- Gris-PEG
- Gritti's amputation (operation)
- Gritti-Stokes amputation
- Grocco's sign(triangle,triangular dullness)
- grog
- groin
- Gromia
- groove
- gross
- Grossman's sign
- Gross's disease
- ground-glass
- group
- grouping
- group-specific
- group-transfer
- growth
- Gruber's fossa,hernia
- Gruber's reaction
- Gruber-Widal reaction,test