- glycemia
- glycemic index
- glycinamide ribonucleotide formyltransferase inhibitor
- Glycine max
- glycolic acid
- glycolysis
- glycopeptide
- glycoprotein
- glycoprotein 100
- glycosaminoglycan
- GM-CSF
- GM-CSF-secreting breast tumor vaccine
- GnRH
- goiter
- gold therapy
- gonad
- gonadal dysgenesis
- gonadotropin-releasing hormone
- gonadotropin-releasing hormone agonist
- gonioscopy
- Gonzalez regimen
- Good Clinical Practice
- Gorlin syndrome
- gossypol acetic acid
- gout