LUMEN ICON Loyola University Medical
Education Network
Histology of the Respiratory Tract
Elizabeth J. Kovacs, Ph.D.

Loyola University Medical Center

 

Learning Objectives: You should be able to:

Junqueira, Chapter 17; Gartner, Chapter 12

Overview     Upper Portion of the Airway     Lower Portion of the Airway     Lung Disorders     MainMenu

 

 

Overview
  1. Upper and Lower Airways
  2. Conducting Portion and Respiratory Portion (Fig. 1)
  3. Cells, Tissues and Structure
Overview     Upper Portion of the Airway     Lower Portion of the Airway     Lung Disorders     MainMenu

 

Upper Portion of the Airway

    1. Structure - Nose and Mouth
    2. Function(s)
      • humidifying
      • warming (or cooling)
      • removing suspended particles
Overview     Upper Portion of the Airway     Lower Portion of the Airway     Lung Disorders     MainMenu

 

Lower Portion of the Airway

  1. Trachea
  2. Bronchi
  3. Bronchioles
  4. Alveoli
function - alveolar capillary barrier (Fig. 4) 4

Overview     Upper Portion of the Airway     Lower Portion of the Airway     Lung Disorders     MainMenu

Lung Disorders

  1. Black lung disease (pneumoconiosis)
  2. Emphysema
  3. Asthma