Nonolfactory surface epithelium of the nasal cavity of the bonnet monkey

A morphologic and morphometric study of the transitional and respiratory epithelium

J. R. Harkema, Charles Plopper, D. M. Hyde, Dennis W Wilson, J. A. St. George, V. J. Wong

Research output: Contribution to journalArticle

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Abstract

The purpose of the present study was to characterize ultrastructurally the nonolfactory nasal epithelium of a nonhuman primate, the bonnet monkey. Nasal cavities from eight subadult bonnet monkeys were processed for light microscopy, and scanning and transmission electron microscopy. Nonolfactory epithelium covered the majority of the nasal cavity and consisted of squamous (SE), transitional (TE), and respiratory epithelium (RE). Stratified SE covered septal and lateral walls of the nasal vestibule, while ciliated pseudostratified RE covered most of the remaining nasal cavity. Stratified, nonciliated TE was present between SE and RE in the anterior nasal cavity. This epithelium was distinct from the other epithelial populations in abundance and types of cells present. TE was composed of lumenal nonciliated cuboidal cells, goblet cells, small mucous granule (SMG) cells, and basal cells, while RE contained ciliated cells, goblet cells, SMG cells, basal cells, and cells with intracytoplasmic lumina lined by cilia and microvilli. TE and RE contained similar numbers of total epithelial cells and basal cells per millimeter of basal lamina. TE was composed of more SMG cells but fewer goblet cells compared to RE. We conclude that nonolfactory nasal epithelium in the bonnet monkey is complex with distinct regional epithelial populations which must be recognized before pathologic changes within this tissue can be assessed adequately.

Original languageEnglish (US)
Pages (from-to)266-279
Number of pages14
JournalAmerican Journal of Anatomy
Volume180
Issue number3
StatePublished - 1987

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Macaca radiata
Respiratory Mucosa
Nasal Cavity
Epithelium
Goblet Cells
Nasal Mucosa
Scanning Transmission Electron Microscopy
Cilia
Microvilli
Nose
Basement Membrane
Primates
Population
Microscopy

ASJC Scopus subject areas

  • Anatomy

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Nonolfactory surface epithelium of the nasal cavity of the bonnet monkey : A morphologic and morphometric study of the transitional and respiratory epithelium. / Harkema, J. R.; Plopper, Charles; Hyde, D. M.; Wilson, Dennis W; St. George, J. A.; Wong, V. J.

In: American Journal of Anatomy, Vol. 180, No. 3, 1987, p. 266-279.

Research output: Contribution to journalArticle

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