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Spicer SS, Parmley RT, Boyd L, et al. Giant mitochondria distinct from enlarged mitochondria in secretory and ciliated cells of gerbil trachea and bronchioles. Am J Anat. 1990;188(3):269-81doi: 10.1002/aja.1001880306.
Spicer, S. S., Parmley, R. T., Boyd, L., & Schulte, B. A. (1990). Giant mitochondria distinct from enlarged mitochondria in secretory and ciliated cells of gerbil trachea and bronchioles. The American journal of anatomy, 188(3), 269-81. https://doi.org/10.1002/aja.1001880306
Spicer, S S, et al. "Giant mitochondria distinct from enlarged mitochondria in secretory and ciliated cells of gerbil trachea and bronchioles." The American journal of anatomy vol. 188,3 (1990): 269-81. doi: https://doi.org/10.1002/aja.1001880306
Spicer SS, Parmley RT, Boyd L, Schulte BA. Giant mitochondria distinct from enlarged mitochondria in secretory and ciliated cells of gerbil trachea and bronchioles. Am J Anat. 1990 Jul;188(3):269-81. doi: 10.1002/aja.1001880306. PMID: 2371967.
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Am J Anat. 1990 Jul;188(3):269-81. doi: 10.1002/aja.1001880306.

Giant mitochondria distinct from enlarged mitochondria in secretory and ciliated cells of gerbil trachea and bronchioles.

The American journal of anatomy

S S Spicer, R T Parmley, L Boyd, B A Schulte

Affiliations

  1. Department of Pathology, Medical University of South Carolina, Charleston 29425.

PMID: 2371967 DOI: 10.1002/aja.1001880306

Abstract

Numerous mitochondria ranging from slightly larger than normal to several micrometers in diameter (giant) were found in about one-half the serous secretory cells in the surface epithelium of the normal gerbil trachea and proximal bronchi. Tracheal serous cells of mice also were found to contain numerous giant mitochondria. Clara cells of gerbil bronchioles contained abundant giant mitochondria in addition to normal tubular mitochondria and the second population of enlarged spherical mitochondria that have been described in Clara cells of several genera. In contrast, mouse Clara cells revealed the normal tubular and the enlarged spherical mitochondria but no giant mitochondria. A survey of a number of cell types in gerbils failed to disclose hypertrophied mitochondria outside tracheobronchial surface epithelium and bronchioles. The mitochondrial enlargement resulted from an increase of matrix but not cristae. The expansion of matrix displaced the relatively sparse cristae into small collections compressed against the outer membrane. The prevalence of giant mitochondria and of granular endoplasmic reticulum is similar among cells, and these two organelles are codistributed within cells. The megamitochondria and granular reticulum occupy a central stratum, whereas normal mitochondria occur in the apical and basal regions. The giant mitochondria are considered related to a normal biologic activity that is characteristic of respiratory tract epithelium of mice and gerbils selectively and is more prominent in secretory cells than in ciliated cells.

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