File:Respiratory histology 14.jpg

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Nasal Cavity Olfactory Region Histology

Olfactory epithelium cells

  1. Olfactory cells
  2. Sustentacular cells - located mainly in the superficial cell layer of the epithelium (difficult to distinguish from olfactory cells).
  3. Basal cells - identified by their location.

Epithelium

  • Cilia are not visible
  • goblet cells are absent from the olfactory epithelium.

Lamina Propria

  • olfactory axon bundles (lightly stained, rounded areas) connected to olfactory cells.
  • Bowman's glands - (small mucous glands, olfactory glands) function to moisturise the epithelium.


Nasal Olfactory Histology: overview image | detail image | Smell Development | Histology | Histology Stains


Respiratory Histology: Bronchiole | Alveolar Duct | Alveoli | Alveoli Elastin | Trachea 1 | Trachea 2 | labeled lung | unlabeled lung | Respiratory Bronchiole | Lung Reticular Fibres | Nasal Inferior Concha | Nasal Respiratory Epithelium | Olfactory Region overview | Olfactory Region Epithelium | Histology Stains

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