ORMC - Pacinian corpuscle
- ORMC
- Ormond
- Ormond disease
- Ormond disease
- Ormond's disease
- Orn
- ornate
- Ornidyl
- Ornish
- Ornish diet
- ornithine
- ornithine aminotransferase
- ornithine carbamoyltransferase
- ornithine carbamoyltransferase (OCT) deficiency
- ornithine cycle
- ornithine decarboxylase
- ornithine transcarbamoylase
- ornithine transcarbamylase
- Ornithine transcarbamylase (OTC) deficiency
- ornithine–oxo-acid transaminase
