Lung Histology: Conducting
zone
_Airways Conducting Zone
_Trachea
_Bronchi -
ciliated and goblet cells, elastic tissue, smooth muscle, glands, cartilage
_Bronchioles - (1 mm) - No cartilage or bronchial glands, ciliated lining,no goblet cells, smooth muscle
_Cell types
�CILIATED
CELL - beating of cilia contribute to mucociliary elevator
�GOBLET
CELL - Mucus secretion
�BASAL
CELL - reserve cell
�KULCHITSKY
CELL - neuroendocrine cells.