feces (stool)

Laboratory: Normal stool volume: 1) < 200 mL (200 g)/day in USA 2) 400 mL/day in rural Africa Normal stool fat: < 7 grams/day Normal stool protein: < 2.5 g/day (protein nitrogen) Normal stool composition: 1) 65-80% water 2) Na⁺ 40 meq/L 3) K⁺ 90 meq/L 3) Cl^- 15 meq/L 4) HCO₃^- 30 meq/L

Related

constipation; dyschezia culture of stool for enteric pathogens diarrhea fat in feces fecal incontinence; anal incontinence; bowel incontinence; includes: encopresis fecal leukocytes urobilinogen in feces

Specific

liquid stool meconium

References

Mayo Internal Medicine Board Review, 1998-99, Prakash UBS (ed) Lippincott-Raven, Philadelphia, 1998, pg 291