This preview shows pages 1–2. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: 1. System of newborn free of flora 2. Established (colonize) as infant exposed to organisms - vagina, air, food 3. Selective process due to physiological conditions in body - pH, temperature, O 2 , nutrients, etc. 4. Takes approximately 1 yr.- 18 mo. to fully establish normal flora F. Location of normal flora 1. Skin a. Most in hair follicles b. Size of population varies with amount of moisture 2. Eyes - transient flora 3. Ears a. Present in outer ear b. Middle ear and inner ear free of microbes 4. Respiratory Tract a. Upper RT 1). Nose, throat (nasopharynx) 2). Contains large # microbes b. Lower RT 1). Trachea, larynx, bronchii, lungs 2). Free of flora c. Sinuses free of normal flora...
View Full Document
- Fall '09