smal - spir
- small back pain
- small bowel
- small bowel biopsy
- small bowel enteritis
- small bowel fistula
- small bowel follow-through X-ray examination
- small bowel obstruction
- small bowel peristalsis
- small bowel resection
- small cardiac vein
- small enema
- small fontanel
- small for date baby
- small intestine
- small lung syndrome
- small pelvis
- small plague
- small saphenous vein
- small vessel disease
- small wing of the sphenoid bone
- small-cell carcinoma (of the lung)
- small-swinging nystagmus
- smallpox
- smallpox eradication program
- smallpox inoculation
- smallpox vaccination
- smallpox vaccine
- smallpox virus
- smart
- smarting pain
- smear
- smear diagnosis
- smear for gonococci
- smear of sputum
- smeared with blood
- smegma
- smegmatic
- smegmolith
- smell
- smell acuity