dense core granule cell

Last reviewed 01/2018

The dense core granule cell is a component of the epithelium throughout the bronchi and bronchioles of the respiratory tract. Found in clusters, each cell is closely associated with a nerve fibre.

The dense core cell may have one of two functions:

  • production of lipid for the mucus layer above the epithelium
  • sensory cell involved with local reflexes governing smooth muscle contraction and hence the degree of:
    • bronchial constriction
    • vascular constriction